Finding the Fourth Proportional to 23,662.32, 32,587.55 and 23,145.64

Step by Step Solution

1. Step 1: Write the proportion equation
   23,662.32 : 32,587.55 = 23,145.64 : x
2. Step 2: Convert to fraction form
   23,662.32/32,587.55 = 23,145.64/x
3. Step 3: Cross multiply
   23,662.32x = 32,587.55 × 23,145.64
4. Step 4: Simplify right side
   23,662.32x = 754,259,720.58
5. Step 5: Solve for x
   x = 754,259,720.58/23,662.32
6. Step 6: Final answer
   x = 31,875.99