Finding the Fourth Proportional to 23,191.48, 32,004.16 and 12,581.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,191.48 : 32,004.16 = 12,581.28 : x
2. Step 2: Convert to fraction form
   23,191.48/32,004.16 = 12,581.28/x
3. Step 3: Cross multiply
   23,191.48x = 32,004.16 × 12,581.28
4. Step 4: Simplify right side
   23,191.48x = 402,653,298.12
5. Step 5: Solve for x
   x = 402,653,298.12/23,191.48
6. Step 6: Final answer
   x = 17,362.12