Finding the Fourth Proportional to 12,788.11, 17,647.58 and 7,483.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,788.11 : 17,647.58 = 7,483.94 : x
2. Step 2: Convert to fraction form
   12,788.11/17,647.58 = 7,483.94/x
3. Step 3: Cross multiply
   12,788.11x = 17,647.58 × 7,483.94
4. Step 4: Simplify right side
   12,788.11x = 132,073,360.34
5. Step 5: Solve for x
   x = 132,073,360.34/12,788.11
6. Step 6: Final answer
   x = 10,327.83