Finding the Fourth Proportional to 131,700.25, 181,746.33 and 71,270.89

Step by Step Solution

1. Step 1: Write the proportion equation
   131,700.25 : 181,746.33 = 71,270.89 : x
2. Step 2: Convert to fraction form
   131,700.25/181,746.33 = 71,270.89/x
3. Step 3: Cross multiply
   131,700.25x = 181,746.33 × 71,270.89
4. Step 4: Simplify right side
   131,700.25x = 12,953,222,693.33
5. Step 5: Solve for x
   x = 12,953,222,693.33/131,700.25
6. Step 6: Final answer
   x = 98,353.82