Finding the Fourth Proportional to 55,206.32, 82,385.20 and 49,301.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,206.32 : 82,385.20 = 49,301.12 : x
2. Step 2: Convert to fraction form
   55,206.32/82,385.20 = 49,301.12/x
3. Step 3: Cross multiply
   55,206.32x = 82,385.20 × 49,301.12
4. Step 4: Simplify right side
   55,206.32x = 4,061,682,631.42
5. Step 5: Solve for x
   x = 4,061,682,631.42/55,206.32
6. Step 6: Final answer
   x = 73,572.78