Finding the Fourth Proportional to 9,766.07, 13,478.52 and 5,988.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,766.07 : 13,478.52 = 5,988.57 : x
2. Step 2: Convert to fraction form
   9,766.07/13,478.52 = 5,988.57/x
3. Step 3: Cross multiply
   9,766.07x = 13,478.52 × 5,988.57
4. Step 4: Simplify right side
   9,766.07x = 80,717,060.52
5. Step 5: Solve for x
   x = 80,717,060.52/9,766.07
6. Step 6: Final answer
   x = 8,265.05