Finding the Fourth Proportional to 10,025.79, 13,826.12 and 7,479.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,025.79 : 13,826.12 = 7,479.17 : x
2. Step 2: Convert to fraction form
   10,025.79/13,826.12 = 7,479.17/x
3. Step 3: Cross multiply
   10,025.79x = 13,826.12 × 7,479.17
4. Step 4: Simplify right side
   10,025.79x = 103,407,901.92
5. Step 5: Solve for x
   x = 103,407,901.92/10,025.79
6. Step 6: Final answer
   x = 10,314.19