Finding the Fourth Proportional to 55,086.72, 76,020.84 and 32,730.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,086.72 : 76,020.84 = 32,730.72 : x
2. Step 2: Convert to fraction form
   55,086.72/76,020.84 = 32,730.72/x
3. Step 3: Cross multiply
   55,086.72x = 76,020.84 × 32,730.72
4. Step 4: Simplify right side
   55,086.72x = 2,488,216,828.20
5. Step 5: Solve for x
   x = 2,488,216,828.20/55,086.72
6. Step 6: Final answer
   x = 45,169.09