Finding the Fourth Proportional to 10,707.36, 16,061.12 and 2,916.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,707.36 : 16,061.12 = 2,916.24 : x
2. Step 2: Convert to fraction form
   10,707.36/16,061.12 = 2,916.24/x
3. Step 3: Cross multiply
   10,707.36x = 16,061.12 × 2,916.24
4. Step 4: Simplify right side
   10,707.36x = 46,838,080.59
5. Step 5: Solve for x
   x = 46,838,080.59/10,707.36
6. Step 6: Final answer
   x = 4,374.38