Finding the Fourth Proportional to 12,495.87, 18,747.72 and 3,731.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,495.87 : 18,747.72 = 3,731.13 : x
2. Step 2: Convert to fraction form
   12,495.87/18,747.72 = 3,731.13/x
3. Step 3: Cross multiply
   12,495.87x = 18,747.72 × 3,731.13
4. Step 4: Simplify right side
   12,495.87x = 69,950,180.52
5. Step 5: Solve for x
   x = 69,950,180.52/12,495.87
6. Step 6: Final answer
   x = 5,597.86