Finding the Fourth Proportional to 716,139.01, 1,073,978.88 and 236,259.27

Step by Step Solution

1. Step 1: Write the proportion equation
   716,139.01 : 1,073,978.88 = 236,259.27 : x
2. Step 2: Convert to fraction form
   716,139.01/1,073,978.88 = 236,259.27/x
3. Step 3: Cross multiply
   716,139.01x = 1,073,978.88 × 236,259.27
4. Step 4: Simplify right side
   716,139.01x = 253,737,466,184.22
5. Step 5: Solve for x
   x = 253,737,466,184.22/716,139.01
6. Step 6: Final answer
   x = 354,313.15