Finding the Fourth Proportional to 10,706.40, 14,775.12 and 5,990.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,706.40 : 14,775.12 = 5,990.82 : x
2. Step 2: Convert to fraction form
   10,706.40/14,775.12 = 5,990.82/x
3. Step 3: Cross multiply
   10,706.40x = 14,775.12 × 5,990.82
4. Step 4: Simplify right side
   10,706.40x = 88,515,084.40
5. Step 5: Solve for x
   x = 88,515,084.40/10,706.40
6. Step 6: Final answer
   x = 8,267.49