Finding the Fourth Proportional to 131,875.95, 181,988.56 and 71,448.10

Step by Step Solution

1. Step 1: Write the proportion equation
   131,875.95 : 181,988.56 = 71,448.10 : x
2. Step 2: Convert to fraction form
   131,875.95/181,988.56 = 71,448.10/x
3. Step 3: Cross multiply
   131,875.95x = 181,988.56 × 71,448.10
4. Step 4: Simplify right side
   131,875.95x = 13,002,736,476.50
5. Step 5: Solve for x
   x = 13,002,736,476.50/131,875.95
6. Step 6: Final answer
   x = 98,598.24