Finding the Fourth Proportional to 71,191.24, 98,240.72 and 40,977.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,191.24 : 98,240.72 = 40,977.50 : x
2. Step 2: Convert to fraction form
   71,191.24/98,240.72 = 40,977.50/x
3. Step 3: Cross multiply
   71,191.24x = 98,240.72 × 40,977.50
4. Step 4: Simplify right side
   71,191.24x = 4,025,658,407.71
5. Step 5: Solve for x
   x = 4,025,658,407.71/71,191.24
6. Step 6: Final answer
   x = 56,547.11