Finding the Fourth Proportional to 23,380.32, 32,264.34 and 12,769.99

Step by Step Solution

1. Step 1: Write the proportion equation
   23,380.32 : 32,264.34 = 12,769.99 : x
2. Step 2: Convert to fraction form
   23,380.32/32,264.34 = 12,769.99/x
3. Step 3: Cross multiply
   23,380.32x = 32,264.34 × 12,769.99
4. Step 4: Simplify right side
   23,380.32x = 412,015,299.16
5. Step 5: Solve for x
   x = 412,015,299.16/23,380.32
6. Step 6: Final answer
   x = 17,622.31