Finding the Fourth Proportional to 6,691.28, 10,038.42 and 4,612.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,691.28 : 10,038.42 = 4,612.10 : x
2. Step 2: Convert to fraction form
   6,691.28/10,038.42 = 4,612.10/x
3. Step 3: Cross multiply
   6,691.28x = 10,038.42 × 4,612.10
4. Step 4: Simplify right side
   6,691.28x = 46,298,146.69
5. Step 5: Solve for x
   x = 46,298,146.69/6,691.28
6. Step 6: Final answer
   x = 6,919.18