Finding the Fourth Proportional to 132,409.98, 182,725.38 and 71,980.56

Step by Step Solution

1. Step 1: Write the proportion equation
   132,409.98 : 182,725.38 = 71,980.56 : x
2. Step 2: Convert to fraction form
   132,409.98/182,725.38 = 71,980.56/x
3. Step 3: Cross multiply
   132,409.98x = 182,725.38 × 71,980.56
4. Step 4: Simplify right side
   132,409.98x = 13,152,675,178.61
5. Step 5: Solve for x
   x = 13,152,675,178.61/132,409.98
6. Step 6: Final answer
   x = 99,332.96