Finding the Fourth Proportional to 913,755.98, 1,365,080.59 and 591,280.77

Step by Step Solution

1. Step 1: Write the proportion equation
   913,755.98 : 1,365,080.59 = 591,280.77 : x
2. Step 2: Convert to fraction form
   913,755.98/1,365,080.59 = 591,280.77/x
3. Step 3: Cross multiply
   913,755.98x = 1,365,080.59 × 591,280.77
4. Step 4: Simplify right side
   913,755.98x = 807,145,900,889.05
5. Step 5: Solve for x
   x = 807,145,900,889.05/913,755.98
6. Step 6: Final answer
   x = 883,327.63