Finding the Fourth Proportional to 9,916.78, 14,873.58 and 2,895.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,916.78 : 14,873.58 = 2,895.15 : x
2. Step 2: Convert to fraction form
   9,916.78/14,873.58 = 2,895.15/x
3. Step 3: Cross multiply
   9,916.78x = 14,873.58 × 2,895.15
4. Step 4: Simplify right side
   9,916.78x = 43,061,245.14
5. Step 5: Solve for x
   x = 43,061,245.14/9,916.78
6. Step 6: Final answer
   x = 4,342.26