Finding the Fourth Proportional to 23,594.96, 32,561.82 and 12,985.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,594.96 : 32,561.82 = 12,985.40 : x
2. Step 2: Convert to fraction form
   23,594.96/32,561.82 = 12,985.40/x
3. Step 3: Cross multiply
   23,594.96x = 32,561.82 × 12,985.40
4. Step 4: Simplify right side
   23,594.96x = 422,828,257.43
5. Step 5: Solve for x
   x = 422,828,257.43/23,594.96
6. Step 6: Final answer
   x = 17,920.28