Finding the Fourth Proportional to 45,610.28, 68,562.52 and 42,293.89

Step by Step Solution

1. Step 1: Write the proportion equation
   45,610.28 : 68,562.52 = 42,293.89 : x
2. Step 2: Convert to fraction form
   45,610.28/68,562.52 = 42,293.89/x
3. Step 3: Cross multiply
   45,610.28x = 68,562.52 × 42,293.89
4. Step 4: Simplify right side
   45,610.28x = 2,899,775,401.86
5. Step 5: Solve for x
   x = 2,899,775,401.86/45,610.28
6. Step 6: Final answer
   x = 63,577.24