Finding the Fourth Proportional to 131,046.06, 196,645.23 and 55,139.01

Step by Step Solution

1. Step 1: Write the proportion equation
   131,046.06 : 196,645.23 = 55,139.01 : x
2. Step 2: Convert to fraction form
   131,046.06/196,645.23 = 55,139.01/x
3. Step 3: Cross multiply
   131,046.06x = 196,645.23 × 55,139.01
4. Step 4: Simplify right side
   131,046.06x = 10,842,823,303.42
5. Step 5: Solve for x
   x = 10,842,823,303.42/131,046.06
6. Step 6: Final answer
   x = 82,740.55