Finding the Fourth Proportional to 131,887.96, 182,005.50 and 72,271.96

Step by Step Solution

1. Step 1: Write the proportion equation
   131,887.96 : 182,005.50 = 72,271.96 : x
2. Step 2: Convert to fraction form
   131,887.96/182,005.50 = 72,271.96/x
3. Step 3: Cross multiply
   131,887.96x = 182,005.50 × 72,271.96
4. Step 4: Simplify right side
   131,887.96x = 13,153,894,215.78
5. Step 5: Solve for x
   x = 13,153,894,215.78/131,887.96
6. Step 6: Final answer
   x = 99,735.37