Finding the Fourth Proportional to 172,430.02, 237,951.09 and 96,978.52

Step by Step Solution

1. Step 1: Write the proportion equation
   172,430.02 : 237,951.09 = 96,978.52 : x
2. Step 2: Convert to fraction form
   172,430.02/237,951.09 = 96,978.52/x
3. Step 3: Cross multiply
   172,430.02x = 237,951.09 × 96,978.52
4. Step 4: Simplify right side
   172,430.02x = 23,076,144,540.59
5. Step 5: Solve for x
   x = 23,076,144,540.59/172,430.02
6. Step 6: Final answer
   x = 133,829.04