Finding the Fourth Proportional to 131,844.52, 197,796.12 and 72,649.72

Step by Step Solution

1. Step 1: Write the proportion equation
   131,844.52 : 197,796.12 = 72,649.72 : x
2. Step 2: Convert to fraction form
   131,844.52/197,796.12 = 72,649.72/x
3. Step 3: Cross multiply
   131,844.52x = 197,796.12 × 72,649.72
4. Step 4: Simplify right side
   131,844.52x = 14,369,832,735.09
5. Step 5: Solve for x
   x = 14,369,832,735.09/131,844.52
6. Step 6: Final answer
   x = 108,990.75