Finding the Fourth Proportional to 1,013,061.59, 1,398,059.52 and 577,543.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013,061.59 : 1,398,059.52 = 577,543.34 : x
2. Step 2: Convert to fraction form
   1,013,061.59/1,398,059.52 = 577,543.34/x
3. Step 3: Cross multiply
   1,013,061.59x = 1,398,059.52 × 577,543.34
4. Step 4: Simplify right side
   1,013,061.59x = 807,439,964,699.60
5. Step 5: Solve for x
   x = 807,439,964,699.60/1,013,061.59
6. Step 6: Final answer
   x = 797,029.49