Finding the Fourth Proportional to 9,916.18, 14,870.22 and 4,294.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,916.18 : 14,870.22 = 4,294.18 : x
2. Step 2: Convert to fraction form
   9,916.18/14,870.22 = 4,294.18/x
3. Step 3: Cross multiply
   9,916.18x = 14,870.22 × 4,294.18
4. Step 4: Simplify right side
   9,916.18x = 63,855,401.32
5. Step 5: Solve for x
   x = 63,855,401.32/9,916.18
6. Step 6: Final answer
   x = 6,439.52