Finding the Fourth Proportional to 16,512.99, 22,788.32 and 9,440.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,512.99 : 22,788.32 = 9,440.07 : x
2. Step 2: Convert to fraction form
   16,512.99/22,788.32 = 9,440.07/x
3. Step 3: Cross multiply
   16,512.99x = 22,788.32 × 9,440.07
4. Step 4: Simplify right side
   16,512.99x = 215,123,288.78
5. Step 5: Solve for x
   x = 215,123,288.78/16,512.99
6. Step 6: Final answer
   x = 13,027.52