Finding the Fourth Proportional to 10,705.40, 14,774.10 and 5,989.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,705.40 : 14,774.10 = 5,989.58 : x
2. Step 2: Convert to fraction form
   10,705.40/14,774.10 = 5,989.58/x
3. Step 3: Cross multiply
   10,705.40x = 14,774.10 × 5,989.58
4. Step 4: Simplify right side
   10,705.40x = 88,490,653.88
5. Step 5: Solve for x
   x = 88,490,653.88/10,705.40
6. Step 6: Final answer
   x = 8,265.98