Finding the Fourth Proportional to 1,113,962.52, 1,670,976.18 and 272,514

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113,962.52 : 1,670,976.18 = 272,514 : x
2. Step 2: Convert to fraction form
   1,113,962.52/1,670,976.18 = 272,514/x
3. Step 3: Cross multiply
   1,113,962.52x = 1,670,976.18 × 272,514
4. Step 4: Simplify right side
   1,113,962.52x = 455,364,402,716.52
5. Step 5: Solve for x
   x = 455,364,402,716.52/1,113,962.52
6. Step 6: Final answer
   x = 408,778.93