Finding the Fourth Proportional to 55,622.72, 76,760.88 and 31,753.28

Step by Step Solution

1. Step 1: Write the proportion equation
   55,622.72 : 76,760.88 = 31,753.28 : x
2. Step 2: Convert to fraction form
   55,622.72/76,760.88 = 31,753.28/x
3. Step 3: Cross multiply
   55,622.72x = 76,760.88 × 31,753.28
4. Step 4: Simplify right side
   55,622.72x = 2,437,409,715.69
5. Step 5: Solve for x
   x = 2,437,409,715.69/55,622.72
6. Step 6: Final answer
   x = 43,820.40