Finding the Fourth Proportional to 10,300.88, 14,215.24 and 5,585.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.88 : 14,215.24 = 5,585.16 : x
2. Step 2: Convert to fraction form
   10,300.88/14,215.24 = 5,585.16/x
3. Step 3: Cross multiply
   10,300.88x = 14,215.24 × 5,585.16
4. Step 4: Simplify right side
   10,300.88x = 79,394,389.84
5. Step 5: Solve for x
   x = 79,394,389.84/10,300.88
6. Step 6: Final answer
   x = 7,707.53