Finding the Fourth Proportional to 10,706.12, 14,774.46 and 5,990.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,706.12 : 14,774.46 = 5,990.50 : x
2. Step 2: Convert to fraction form
   10,706.12/14,774.46 = 5,990.50/x
3. Step 3: Cross multiply
   10,706.12x = 14,774.46 × 5,990.50
4. Step 4: Simplify right side
   10,706.12x = 88,506,402.63
5. Step 5: Solve for x
   x = 88,506,402.63/10,706.12
6. Step 6: Final answer
   x = 8,266.90