Finding the Fourth Proportional to 131,380.04, 196,970.66 and 55,502.07

Step by Step Solution

1. Step 1: Write the proportion equation
   131,380.04 : 196,970.66 = 55,502.07 : x
2. Step 2: Convert to fraction form
   131,380.04/196,970.66 = 55,502.07/x
3. Step 3: Cross multiply
   131,380.04x = 196,970.66 × 55,502.07
4. Step 4: Simplify right side
   131,380.04x = 10,932,279,498.02
5. Step 5: Solve for x
   x = 10,932,279,498.02/131,380.04
6. Step 6: Final answer
   x = 83,211.12