Finding the Fourth Proportional to 12,411.61, 18,617.37 and 5,015.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,411.61 : 18,617.37 = 5,015.98 : x
2. Step 2: Convert to fraction form
   12,411.61/18,617.37 = 5,015.98/x
3. Step 3: Cross multiply
   12,411.61x = 18,617.37 × 5,015.98
4. Step 4: Simplify right side
   12,411.61x = 93,384,237.41
5. Step 5: Solve for x
   x = 93,384,237.41/12,411.61
6. Step 6: Final answer
   x = 7,523.95