Finding the Fourth Proportional to 131,491.08, 181,457.69 and 71,061.84

Step by Step Solution

1. Step 1: Write the proportion equation
   131,491.08 : 181,457.69 = 71,061.84 : x
2. Step 2: Convert to fraction form
   131,491.08/181,457.69 = 71,061.84/x
3. Step 3: Cross multiply
   131,491.08x = 181,457.69 × 71,061.84
4. Step 4: Simplify right side
   131,491.08x = 12,894,716,978.24
5. Step 5: Solve for x
   x = 12,894,716,978.24/131,491.08
6. Step 6: Final answer
   x = 98,065.34