Finding the Fourth Proportional to 131,713.31, 181,764.58 and 71,284.01

Step by Step Solution

1. Step 1: Write the proportion equation
   131,713.31 : 181,764.58 = 71,284.01 : x
2. Step 2: Convert to fraction form
   131,713.31/181,764.58 = 71,284.01/x
3. Step 3: Cross multiply
   131,713.31x = 181,764.58 × 71,284.01
4. Step 4: Simplify right side
   131,713.31x = 12,956,908,138.37
5. Step 5: Solve for x
   x = 12,956,908,138.37/131,713.31
6. Step 6: Final answer
   x = 98,372.05