Finding the Fourth Proportional to 616,081.55, 849,228.05 and 566,591.10

Step by Step Solution

1. Step 1: Write the proportion equation
   616,081.55 : 849,228.05 = 566,591.10 : x
2. Step 2: Convert to fraction form
   616,081.55/849,228.05 = 566,591.10/x
3. Step 3: Cross multiply
   616,081.55x = 849,228.05 × 566,591.10
4. Step 4: Simplify right side
   616,081.55x = 481,165,054,822.06
5. Step 5: Solve for x
   x = 481,165,054,822.06/616,081.55
6. Step 6: Final answer
   x = 781,008.71