Finding the Fourth Proportional to 151,454.10, 208,998.24 and 91,013.52

Step by Step Solution

1. Step 1: Write the proportion equation
   151,454.10 : 208,998.24 = 91,013.52 : x
2. Step 2: Convert to fraction form
   151,454.10/208,998.24 = 91,013.52/x
3. Step 3: Cross multiply
   151,454.10x = 208,998.24 × 91,013.52
4. Step 4: Simplify right side
   151,454.10x = 19,021,665,496.20
5. Step 5: Solve for x
   x = 19,021,665,496.20/151,454.10
6. Step 6: Final answer
   x = 125,593.60