Finding the Fourth Proportional to 151,032.72, 208,419.72 and 83,049.12

Step by Step Solution

1. Step 1: Write the proportion equation
   151,032.72 : 208,419.72 = 83,049.12 : x
2. Step 2: Convert to fraction form
   151,032.72/208,419.72 = 83,049.12/x
3. Step 3: Cross multiply
   151,032.72x = 208,419.72 × 83,049.12
4. Step 4: Simplify right side
   151,032.72x = 17,309,074,336.65
5. Step 5: Solve for x
   x = 17,309,074,336.65/151,032.72
6. Step 6: Final answer
   x = 114,604.80