Finding the Fourth Proportional to 549,067,898.74, 823,601,152.59 and 140,124,058.42

Step by Step Solution

1. Step 1: Write the proportion equation
   549,067,898.74 : 823,601,152.59 = 140,124,058.42 : x
2. Step 2: Convert to fraction form
   549,067,898.74/823,601,152.59 = 140,124,058.42/x
3. Step 3: Cross multiply
   549,067,898.74x = 823,601,152.59 × 140,124,058.42
4. Step 4: Simplify right side
   549,067,898.74x = 115,406,336,020,300,496
5. Step 5: Solve for x
   x = 115,406,336,020,300,496/549,067,898.74
6. Step 6: Final answer
   x = 210,185,910.13