Finding the Fourth Proportional to 172,449.93, 237,978.47 and 96,998.25

Step by Step Solution

1. Step 1: Write the proportion equation
   172,449.93 : 237,978.47 = 96,998.25 : x
2. Step 2: Convert to fraction form
   172,449.93/237,978.47 = 96,998.25/x
3. Step 3: Cross multiply
   172,449.93x = 237,978.47 × 96,998.25
4. Step 4: Simplify right side
   172,449.93x = 23,083,494,642.69
5. Step 5: Solve for x
   x = 23,083,494,642.69/172,449.93
6. Step 6: Final answer
   x = 133,856.21