Finding the Fourth Proportional to 789,835.88, 1,088,839.86 and 563,087.72

Step by Step Solution

1. Step 1: Write the proportion equation
   789,835.88 : 1,088,839.86 = 563,087.72 : x
2. Step 2: Convert to fraction form
   789,835.88/1,088,839.86 = 563,087.72/x
3. Step 3: Cross multiply
   789,835.88x = 1,088,839.86 × 563,087.72
4. Step 4: Simplify right side
   789,835.88x = 613,112,354,212.52
5. Step 5: Solve for x
   x = 613,112,354,212.52/789,835.88
6. Step 6: Final answer
   x = 776,252.85