Finding the Fourth Proportional to 132,238.42, 182,485.02 and 71,807.96

Step by Step Solution

1. Step 1: Write the proportion equation
   132,238.42 : 182,485.02 = 71,807.96 : x
2. Step 2: Convert to fraction form
   132,238.42/182,485.02 = 71,807.96/x
3. Step 3: Cross multiply
   132,238.42x = 182,485.02 × 71,807.96
4. Step 4: Simplify right side
   132,238.42x = 13,103,877,016.76
5. Step 5: Solve for x
   x = 13,103,877,016.76/132,238.42
6. Step 6: Final answer
   x = 99,092.81