Finding the Fourth Proportional to 10,707.36, 16,061.46 and 2,916.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,707.36 : 16,061.46 = 2,916.15 : x
2. Step 2: Convert to fraction form
   10,707.36/16,061.46 = 2,916.15/x
3. Step 3: Cross multiply
   10,707.36x = 16,061.46 × 2,916.15
4. Step 4: Simplify right side
   10,707.36x = 46,837,626.58
5. Step 5: Solve for x
   x = 46,837,626.58/10,707.36
6. Step 6: Final answer
   x = 4,374.34