Finding the Fourth Proportional to 45,339.83, 62,503.02 and 31,685.48

Step by Step Solution

1. Step 1: Write the proportion equation
   45,339.83 : 62,503.02 = 31,685.48 : x
2. Step 2: Convert to fraction form
   45,339.83/62,503.02 = 31,685.48/x
3. Step 3: Cross multiply
   45,339.83x = 62,503.02 × 31,685.48
4. Step 4: Simplify right side
   45,339.83x = 1,980,438,190.15
5. Step 5: Solve for x
   x = 1,980,438,190.15/45,339.83
6. Step 6: Final answer
   x = 43,679.88