Finding the Fourth Proportional to 8,372.64, 12,560.90 and 3,693.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,372.64 : 12,560.90 = 3,693.98 : x
2. Step 2: Convert to fraction form
   8,372.64/12,560.90 = 3,693.98/x
3. Step 3: Cross multiply
   8,372.64x = 12,560.90 × 3,693.98
4. Step 4: Simplify right side
   8,372.64x = 46,399,726.31
5. Step 5: Solve for x
   x = 46,399,726.31/8,372.64
6. Step 6: Final answer
   x = 5,541.82