Finding the Fourth Proportional to 23,661.75, 35,498.63 and 8,870.71

Step by Step Solution

1. Step 1: Write the proportion equation
   23,661.75 : 35,498.63 = 8,870.71 : x
2. Step 2: Convert to fraction form
   23,661.75/35,498.63 = 8,870.71/x
3. Step 3: Cross multiply
   23,661.75x = 35,498.63 × 8,870.71
4. Step 4: Simplify right side
   23,661.75x = 314,898,007.77
5. Step 5: Solve for x
   x = 314,898,007.77/23,661.75
6. Step 6: Final answer
   x = 13,308.31