Finding the Fourth Proportional to 45,077.31, 62,221.47 and 31,651.92

Step by Step Solution

1. Step 1: Write the proportion equation
   45,077.31 : 62,221.47 = 31,651.92 : x
2. Step 2: Convert to fraction form
   45,077.31/62,221.47 = 31,651.92/x
3. Step 3: Cross multiply
   45,077.31x = 62,221.47 × 31,651.92
4. Step 4: Simplify right side
   45,077.31x = 1,969,428,990.72
5. Step 5: Solve for x
   x = 1,969,428,990.72/45,077.31
6. Step 6: Final answer
   x = 43,690.03