Finding the Fourth Proportional to 10,705.86, 14,774.16 and 5,990.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,705.86 : 14,774.16 = 5,990.22 : x
2. Step 2: Convert to fraction form
   10,705.86/14,774.16 = 5,990.22/x
3. Step 3: Cross multiply
   10,705.86x = 14,774.16 × 5,990.22
4. Step 4: Simplify right side
   10,705.86x = 88,500,468.72
5. Step 5: Solve for x
   x = 88,500,468.72/10,705.86
6. Step 6: Final answer
   x = 8,266.54