Finding the Fourth Proportional to 1,009,401.12, 1,513,658.52 and 377,872.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,401.12 : 1,513,658.52 = 377,872.02 : x
2. Step 2: Convert to fraction form
   1,009,401.12/1,513,658.52 = 377,872.02/x
3. Step 3: Cross multiply
   1,009,401.12x = 1,513,658.52 × 377,872.02
4. Step 4: Simplify right side
   1,009,401.12x = 571,969,202,542.61
5. Step 5: Solve for x
   x = 571,969,202,542.61/1,009,401.12
6. Step 6: Final answer
   x = 566,642.13