Finding the Fourth Proportional to 45,540.54, 62,883.27 and 31,368.78

Step by Step Solution

1. Step 1: Write the proportion equation
   45,540.54 : 62,883.27 = 31,368.78 : x
2. Step 2: Convert to fraction form
   45,540.54/62,883.27 = 31,368.78/x
3. Step 3: Cross multiply
   45,540.54x = 62,883.27 × 31,368.78
4. Step 4: Simplify right side
   45,540.54x = 1,972,571,462.31
5. Step 5: Solve for x
   x = 1,972,571,462.31/45,540.54
6. Step 6: Final answer
   x = 43,314.63