Finding the Fourth Proportional to 23,565.56, 32,521.86 and 12,955.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,565.56 : 32,521.86 = 12,955.16 : x
2. Step 2: Convert to fraction form
   23,565.56/32,521.86 = 12,955.16/x
3. Step 3: Cross multiply
   23,565.56x = 32,521.86 × 12,955.16
4. Step 4: Simplify right side
   23,565.56x = 421,325,899.80
5. Step 5: Solve for x
   x = 421,325,899.80/23,565.56
6. Step 6: Final answer
   x = 17,878.88