Finding the Fourth Proportional to 887,404.10, 1,331,106.15 and 607,468.10

Step by Step Solution

1. Step 1: Write the proportion equation
   887,404.10 : 1,331,106.15 = 607,468.10 : x
2. Step 2: Convert to fraction form
   887,404.10/1,331,106.15 = 607,468.10/x
3. Step 3: Cross multiply
   887,404.10x = 1,331,106.15 × 607,468.10
4. Step 4: Simplify right side
   887,404.10x = 808,604,523,838.82
5. Step 5: Solve for x
   x = 808,604,523,838.82/887,404.10
6. Step 6: Final answer
   x = 911,202.15