Finding the Fourth Proportional to 10,705.79, 14,774.03 and 5,990.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,705.79 : 14,774.03 = 5,990.07 : x
2. Step 2: Convert to fraction form
   10,705.79/14,774.03 = 5,990.07/x
3. Step 3: Cross multiply
   10,705.79x = 14,774.03 × 5,990.07
4. Step 4: Simplify right side
   10,705.79x = 88,497,473.88
5. Step 5: Solve for x
   x = 88,497,473.88/10,705.79
6. Step 6: Final answer
   x = 8,266.32