Finding the Fourth Proportional to 23,470.57, 32,388.15 and 12,859.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,470.57 : 32,388.15 = 12,859.98 : x
2. Step 2: Convert to fraction form
   23,470.57/32,388.15 = 12,859.98/x
3. Step 3: Cross multiply
   23,470.57x = 32,388.15 × 12,859.98
4. Step 4: Simplify right side
   23,470.57x = 416,510,961.24
5. Step 5: Solve for x
   x = 416,510,961.24/23,470.57
6. Step 6: Final answer
   x = 17,746.09