Finding the Fourth Proportional to 10,770.16, 14,862.57 and 5,990.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,770.16 : 14,862.57 = 5,990.09 : x
2. Step 2: Convert to fraction form
   10,770.16/14,862.57 = 5,990.09/x
3. Step 3: Cross multiply
   10,770.16x = 14,862.57 × 5,990.09
4. Step 4: Simplify right side
   10,770.16x = 89,028,142.25
5. Step 5: Solve for x
   x = 89,028,142.25/10,770.16
6. Step 6: Final answer
   x = 8,266.18