Finding the Fourth Proportional to 866,002.25, 1,195,064.41 and 478,802.79

Step by Step Solution

1. Step 1: Write the proportion equation
   866,002.25 : 1,195,064.41 = 478,802.79 : x
2. Step 2: Convert to fraction form
   866,002.25/1,195,064.41 = 478,802.79/x
3. Step 3: Cross multiply
   866,002.25x = 1,195,064.41 × 478,802.79
4. Step 4: Simplify right side
   866,002.25x = 572,200,174,336.21
5. Step 5: Solve for x
   x = 572,200,174,336.21/866,002.25
6. Step 6: Final answer
   x = 660,737.51