Finding the Fourth Proportional to 23,388.88, 32,275.48 and 12,776.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,388.88 : 32,275.48 = 12,776.56 : x
2. Step 2: Convert to fraction form
   23,388.88/32,275.48 = 12,776.56/x
3. Step 3: Cross multiply
   23,388.88x = 32,275.48 × 12,776.56
4. Step 4: Simplify right side
   23,388.88x = 412,369,606.75
5. Step 5: Solve for x
   x = 412,369,606.75/23,388.88
6. Step 6: Final answer
   x = 17,631.01