Finding the Fourth Proportional to 7,844.50, 10,830.88 and 5,489.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,844.50 : 10,830.88 = 5,489.83 : x
2. Step 2: Convert to fraction form
   7,844.50/10,830.88 = 5,489.83/x
3. Step 3: Cross multiply
   7,844.50x = 10,830.88 × 5,489.83
4. Step 4: Simplify right side
   7,844.50x = 59,459,689.95
5. Step 5: Solve for x
   x = 59,459,689.95/7,844.50
6. Step 6: Final answer
   x = 7,579.79