Finding the Fourth Proportional to 45,139.33, 62,227.33 and 31,668.81

Step by Step Solution

1. Step 1: Write the proportion equation
   45,139.33 : 62,227.33 = 31,668.81 : x
2. Step 2: Convert to fraction form
   45,139.33/62,227.33 = 31,668.81/x
3. Step 3: Cross multiply
   45,139.33x = 62,227.33 × 31,668.81
4. Step 4: Simplify right side
   45,139.33x = 1,970,665,490.58
5. Step 5: Solve for x
   x = 1,970,665,490.58/45,139.33
6. Step 6: Final answer
   x = 43,657.39