Finding the Fourth Proportional to 172,150.74, 237,531.15 and 100,498.23

Step by Step Solution

1. Step 1: Write the proportion equation
   172,150.74 : 237,531.15 = 100,498.23 : x
2. Step 2: Convert to fraction form
   172,150.74/237,531.15 = 100,498.23/x
3. Step 3: Cross multiply
   172,150.74x = 237,531.15 × 100,498.23
4. Step 4: Simplify right side
   172,150.74x = 23,871,460,144.86
5. Step 5: Solve for x
   x = 23,871,460,144.86/172,150.74
6. Step 6: Final answer
   x = 138,666.03