Finding the Fourth Proportional to 23,200.35, 32,016.57 and 12,589.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,200.35 : 32,016.57 = 12,589.98 : x
2. Step 2: Convert to fraction form
   23,200.35/32,016.57 = 12,589.98/x
3. Step 3: Cross multiply
   23,200.35x = 32,016.57 × 12,589.98
4. Step 4: Simplify right side
   23,200.35x = 403,087,913.02
5. Step 5: Solve for x
   x = 403,087,913.02/23,200.35
6. Step 6: Final answer
   x = 17,374.22