Finding the Fourth Proportional to 23,616.56, 32,620.12 and 17,145.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,616.56 : 32,620.12 = 17,145.86 : x
2. Step 2: Convert to fraction form
   23,616.56/32,620.12 = 17,145.86/x
3. Step 3: Cross multiply
   23,616.56x = 32,620.12 × 17,145.86
4. Step 4: Simplify right side
   23,616.56x = 559,300,010.70
5. Step 5: Solve for x
   x = 559,300,010.70/23,616.56
6. Step 6: Final answer
   x = 23,682.54