Finding the Fourth Proportional to 8,916.62, 12,298.64 and 5,930.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,916.62 : 12,298.64 = 5,930.96 : x
2. Step 2: Convert to fraction form
   8,916.62/12,298.64 = 5,930.96/x
3. Step 3: Cross multiply
   8,916.62x = 12,298.64 × 5,930.96
4. Step 4: Simplify right side
   8,916.62x = 72,942,741.89
5. Step 5: Solve for x
   x = 72,942,741.89/8,916.62
6. Step 6: Final answer
   x = 8,180.54