Finding the Fourth Proportional to 10,300.92, 14,215.41 and 5,585.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.92 : 14,215.41 = 5,585.18 : x
2. Step 2: Convert to fraction form
   10,300.92/14,215.41 = 5,585.18/x
3. Step 3: Cross multiply
   10,300.92x = 14,215.41 × 5,585.18
4. Step 4: Simplify right side
   10,300.92x = 79,395,552.55
5. Step 5: Solve for x
   x = 79,395,552.55/10,300.92
6. Step 6: Final answer
   x = 7,707.62