Finding the Fourth Proportional to 762,111.46, 1,051,800.42 and 439,908.04

Step by Step Solution

1. Step 1: Write the proportion equation
   762,111.46 : 1,051,800.42 = 439,908.04 : x
2. Step 2: Convert to fraction form
   762,111.46/1,051,800.42 = 439,908.04/x
3. Step 3: Cross multiply
   762,111.46x = 1,051,800.42 × 439,908.04
4. Step 4: Simplify right side
   762,111.46x = 462,695,461,233.38
5. Step 5: Solve for x
   x = 462,695,461,233.38/762,111.46
6. Step 6: Final answer
   x = 607,123.09