Finding the Fourth Proportional to 10,718.12, 16,055.31 and 5,513.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,718.12 : 16,055.31 = 5,513.06 : x
2. Step 2: Convert to fraction form
   10,718.12/16,055.31 = 5,513.06/x
3. Step 3: Cross multiply
   10,718.12x = 16,055.31 × 5,513.06
4. Step 4: Simplify right side
   10,718.12x = 88,513,948.16
5. Step 5: Solve for x
   x = 88,513,948.16/10,718.12
6. Step 6: Final answer
   x = 8,258.34