Finding the Fourth Proportional to 132,533.39, 182,891.91 and 72,102.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,533.39 : 182,891.91 = 72,102.50 : x
2. Step 2: Convert to fraction form
   132,533.39/182,891.91 = 72,102.50/x
3. Step 3: Cross multiply
   132,533.39x = 182,891.91 × 72,102.50
4. Step 4: Simplify right side
   132,533.39x = 13,186,963,026.32
5. Step 5: Solve for x
   x = 13,186,963,026.32/132,533.39
6. Step 6: Final answer
   x = 99,499.17