Finding the Fourth Proportional to 45,613.88, 62,942.56 and 31,285.94

Step by Step Solution

1. Step 1: Write the proportion equation
   45,613.88 : 62,942.56 = 31,285.94 : x
2. Step 2: Convert to fraction form
   45,613.88/62,942.56 = 31,285.94/x
3. Step 3: Cross multiply
   45,613.88x = 62,942.56 × 31,285.94
4. Step 4: Simplify right side
   45,613.88x = 1,969,217,155.61
5. Step 5: Solve for x
   x = 1,969,217,155.61/45,613.88
6. Step 6: Final answer
   x = 43,171.45