Finding the Fourth Proportional to 461,711.86, 636,981.37 and 268,086.51

Step by Step Solution

1. Step 1: Write the proportion equation
   461,711.86 : 636,981.37 = 268,086.51 : x
2. Step 2: Convert to fraction form
   461,711.86/636,981.37 = 268,086.51/x
3. Step 3: Cross multiply
   461,711.86x = 636,981.37 × 268,086.51
4. Step 4: Simplify right side
   461,711.86x = 170,766,111,748.10
5. Step 5: Solve for x
   x = 170,766,111,748.10/461,711.86
6. Step 6: Final answer
   x = 369,854.29