Finding the Fourth Proportional to 55,300.18, 76,315.50 and 32,644.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,300.18 : 76,315.50 = 32,644.72 : x
2. Step 2: Convert to fraction form
   55,300.18/76,315.50 = 32,644.72/x
3. Step 3: Cross multiply
   55,300.18x = 76,315.50 × 32,644.72
4. Step 4: Simplify right side
   55,300.18x = 2,491,298,129.16
5. Step 5: Solve for x
   x = 2,491,298,129.16/55,300.18
6. Step 6: Final answer
   x = 45,050.45