Finding the Fourth Proportional to 102,732.54, 141,507.24 and 72,464.67

Step by Step Solution

1. Step 1: Write the proportion equation
   102,732.54 : 141,507.24 = 72,464.67 : x
2. Step 2: Convert to fraction form
   102,732.54/141,507.24 = 72,464.67/x
3. Step 3: Cross multiply
   102,732.54x = 141,507.24 × 72,464.67
4. Step 4: Simplify right side
   102,732.54x = 10,254,275,449.21
5. Step 5: Solve for x
   x = 10,254,275,449.21/102,732.54
6. Step 6: Final answer
   x = 99,815.26