Finding the Fourth Proportional to 23,659.12, 35,499.39 and 8,869.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,659.12 : 35,499.39 = 8,869.15 : x
2. Step 2: Convert to fraction form
   23,659.12/35,499.39 = 8,869.15/x
3. Step 3: Cross multiply
   23,659.12x = 35,499.39 × 8,869.15
4. Step 4: Simplify right side
   23,659.12x = 314,849,414.82
5. Step 5: Solve for x
   x = 314,849,414.82/23,659.12
6. Step 6: Final answer
   x = 13,307.74