Finding the Fourth Proportional to 243,218,649,426.52, 364,888,740,251.89 and 171,647,906,590.37

Step by Step Solution

1. Step 1: Write the proportion equation
   243,218,649,426.52 : 364,888,740,251.89 = 171,647,906,590.37 : x
2. Step 2: Convert to fraction form
   243,218,649,426.52/364,888,740,251.89 = 171,647,906,590.37/x
3. Step 3: Cross multiply
   243,218,649,426.52x = 364,888,740,251.89 × 171,647,906,590.37
4. Step 4: Simplify right side
   243,218,649,426.52x = 62,632,388,402,634,200,973,312
5. Step 5: Solve for x
   x = 62,632,388,402,634,200,973,312/243,218,649,426.52
6. Step 6: Final answer
   x = 257,514,744,655.95