Finding the Fourth Proportional to 132,531.53, 182,889.32 and 72,100.62

Step by Step Solution

1. Step 1: Write the proportion equation
   132,531.53 : 182,889.32 = 72,100.62 : x
2. Step 2: Convert to fraction form
   132,531.53/182,889.32 = 72,100.62/x
3. Step 3: Cross multiply
   132,531.53x = 182,889.32 × 72,100.62
4. Step 4: Simplify right side
   132,531.53x = 13,186,433,002.88
5. Step 5: Solve for x
   x = 13,186,433,002.88/132,531.53
6. Step 6: Final answer
   x = 99,496.58