Finding the Fourth Proportional to 10,624.68, 15,915.30 and 5,061.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,624.68 : 15,915.30 = 5,061.18 : x
2. Step 2: Convert to fraction form
   10,624.68/15,915.30 = 5,061.18/x
3. Step 3: Cross multiply
   10,624.68x = 15,915.30 × 5,061.18
4. Step 4: Simplify right side
   10,624.68x = 80,550,198.05
5. Step 5: Solve for x
   x = 80,550,198.05/10,624.68
6. Step 6: Final answer
   x = 7,581.42