Finding the Fourth Proportional to 11,293.50, 15,585.56 and 6,817.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,293.50 : 15,585.56 = 6,817.15 : x
2. Step 2: Convert to fraction form
   11,293.50/15,585.56 = 6,817.15/x
3. Step 3: Cross multiply
   11,293.50x = 15,585.56 × 6,817.15
4. Step 4: Simplify right side
   11,293.50x = 106,249,100.35
5. Step 5: Solve for x
   x = 106,249,100.35/11,293.50
6. Step 6: Final answer
   x = 9,407.99