Finding the Fourth Proportional to 10,953.57, 15,116.72 and 6,238.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,953.57 : 15,116.72 = 6,238.16 : x
2. Step 2: Convert to fraction form
   10,953.57/15,116.72 = 6,238.16/x
3. Step 3: Cross multiply
   10,953.57x = 15,116.72 × 6,238.16
4. Step 4: Simplify right side
   10,953.57x = 94,300,411.26
5. Step 5: Solve for x
   x = 94,300,411.26/10,953.57
6. Step 6: Final answer
   x = 8,609.10