Finding the Fourth Proportional to 45,761.72, 68,626.49 and 13,731.24

Step by Step Solution

1. Step 1: Write the proportion equation
   45,761.72 : 68,626.49 = 13,731.24 : x
2. Step 2: Convert to fraction form
   45,761.72/68,626.49 = 13,731.24/x
3. Step 3: Cross multiply
   45,761.72x = 68,626.49 × 13,731.24
4. Step 4: Simplify right side
   45,761.72x = 942,326,735.89
5. Step 5: Solve for x
   x = 942,326,735.89/45,761.72
6. Step 6: Final answer
   x = 20,592.03