Finding the Fourth Proportional to 131,446.11, 181,395.69 and 71,016.72

Step by Step Solution

1. Step 1: Write the proportion equation
   131,446.11 : 181,395.69 = 71,016.72 : x
2. Step 2: Convert to fraction form
   131,446.11/181,395.69 = 71,016.72/x
3. Step 3: Cross multiply
   131,446.11x = 181,395.69 × 71,016.72
4. Step 4: Simplify right side
   131,446.11x = 12,882,126,925.94
5. Step 5: Solve for x
   x = 12,882,126,925.94/131,446.11
6. Step 6: Final answer
   x = 98,003.11