Finding the Fourth Proportional to 781,823.01, 1,078,359.52 and 717,499.93

Step by Step Solution

1. Step 1: Write the proportion equation
   781,823.01 : 1,078,359.52 = 717,499.93 : x
2. Step 2: Convert to fraction form
   781,823.01/1,078,359.52 = 717,499.93/x
3. Step 3: Cross multiply
   781,823.01x = 1,078,359.52 × 717,499.93
4. Step 4: Simplify right side
   781,823.01x = 773,722,880,114.83
5. Step 5: Solve for x
   x = 773,722,880,114.83/781,823.01
6. Step 6: Final answer
   x = 989,639.43