Finding the Fourth Proportional to 950,085.55, 1,311,139.27 and 542,179.27

Step by Step Solution

1. Step 1: Write the proportion equation
   950,085.55 : 1,311,139.27 = 542,179.27 : x
2. Step 2: Convert to fraction form
   950,085.55/1,311,139.27 = 542,179.27/x
3. Step 3: Cross multiply
   950,085.55x = 1,311,139.27 × 542,179.27
4. Step 4: Simplify right side
   950,085.55x = 710,872,528,999.09
5. Step 5: Solve for x
   x = 710,872,528,999.09/950,085.55
6. Step 6: Final answer
   x = 748,219.50