Finding the Fourth Proportional to 10,948.92, 15,109.50 and 5,913.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,948.92 : 15,109.50 = 5,913.14 : x
2. Step 2: Convert to fraction form
   10,948.92/15,109.50 = 5,913.14/x
3. Step 3: Cross multiply
   10,948.92x = 15,109.50 × 5,913.14
4. Step 4: Simplify right side
   10,948.92x = 89,344,513.28
5. Step 5: Solve for x
   x = 89,344,513.28/10,948.92
6. Step 6: Final answer
   x = 8,160.12