Finding the Fourth Proportional to 131,910.25, 197,867.54 and 37,142.72

Step by Step Solution

1. Step 1: Write the proportion equation
   131,910.25 : 197,867.54 = 37,142.72 : x
2. Step 2: Convert to fraction form
   131,910.25/197,867.54 = 37,142.72/x
3. Step 3: Cross multiply
   131,910.25x = 197,867.54 × 37,142.72
4. Step 4: Simplify right side
   131,910.25x = 7,349,337,738.83
5. Step 5: Solve for x
   x = 7,349,337,738.83/131,910.25
6. Step 6: Final answer
   x = 55,714.68