Finding the Fourth Proportional to 12,411.50, 18,624.82 and 5,015.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,411.50 : 18,624.82 = 5,015.18 : x
2. Step 2: Convert to fraction form
   12,411.50/18,624.82 = 5,015.18/x
3. Step 3: Cross multiply
   12,411.50x = 18,624.82 × 5,015.18
4. Step 4: Simplify right side
   12,411.50x = 93,406,824.77
5. Step 5: Solve for x
   x = 93,406,824.77/12,411.50
6. Step 6: Final answer
   x = 7,525.83