Finding the Fourth Proportional to 10,880,986.18, 15,015,760.82 and 5,986,103.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,880,986.18 : 15,015,760.82 = 5,986,103.12 : x
2. Step 2: Convert to fraction form
   10,880,986.18/15,015,760.82 = 5,986,103.12/x
3. Step 3: Cross multiply
   10,880,986.18x = 15,015,760.82 × 5,986,103.12
4. Step 4: Simplify right side
   10,880,986.18x = 89,885,892,693,775.77
5. Step 5: Solve for x
   x = 89,885,892,693,775.77/10,880,986.18
6. Step 6: Final answer
   x = 8,260,822.25