Finding the Fourth Proportional to 23,230.95, 32,057.51 and 12,620.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,230.95 : 32,057.51 = 12,620.57 : x
2. Step 2: Convert to fraction form
   23,230.95/32,057.51 = 12,620.57/x
3. Step 3: Cross multiply
   23,230.95x = 32,057.51 × 12,620.57
4. Step 4: Simplify right side
   23,230.95x = 404,583,825.59
5. Step 5: Solve for x
   x = 404,583,825.59/23,230.95
6. Step 6: Final answer
   x = 17,415.72