Finding the Fourth Proportional to 11,793.96, 16,275.55 and 6,488.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,793.96 : 16,275.55 = 6,488.78 : x
2. Step 2: Convert to fraction form
   11,793.96/16,275.55 = 6,488.78/x
3. Step 3: Cross multiply
   11,793.96x = 16,275.55 × 6,488.78
4. Step 4: Simplify right side
   11,793.96x = 105,608,430.89
5. Step 5: Solve for x
   x = 105,608,430.89/11,793.96
6. Step 6: Final answer
   x = 8,954.45