Finding the Fourth Proportional to 10,148.16, 14,022.72 and 7,915.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,148.16 : 14,022.72 = 7,915.68 : x
2. Step 2: Convert to fraction form
   10,148.16/14,022.72 = 7,915.68/x
3. Step 3: Cross multiply
   10,148.16x = 14,022.72 × 7,915.68
4. Step 4: Simplify right side
   10,148.16x = 110,999,364.25
5. Step 5: Solve for x
   x = 110,999,364.25/10,148.16
6. Step 6: Final answer
   x = 10,937.88