Finding the Fourth Proportional to 12,893.12, 17,788.30 and 7,514.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,893.12 : 17,788.30 = 7,514.33 : x
2. Step 2: Convert to fraction form
   12,893.12/17,788.30 = 7,514.33/x
3. Step 3: Cross multiply
   12,893.12x = 17,788.30 × 7,514.33
4. Step 4: Simplify right side
   12,893.12x = 133,667,048.61
5. Step 5: Solve for x
   x = 133,667,048.61/12,893.12
6. Step 6: Final answer
   x = 10,367.32