Finding the Fourth Proportional to 23,454.16, 32,366.79 and 12,699.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,454.16 : 32,366.79 = 12,699.15 : x
2. Step 2: Convert to fraction form
   23,454.16/32,366.79 = 12,699.15/x
3. Step 3: Cross multiply
   23,454.16x = 32,366.79 × 12,699.15
4. Step 4: Simplify right side
   23,454.16x = 411,030,599.85
5. Step 5: Solve for x
   x = 411,030,599.85/23,454.16
6. Step 6: Final answer
   x = 17,524.85