Finding the Fourth Proportional to 8,975.56, 12,386.56 and 5,617.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,975.56 : 12,386.56 = 5,617.30 : x
2. Step 2: Convert to fraction form
   8,975.56/12,386.56 = 5,617.30/x
3. Step 3: Cross multiply
   8,975.56x = 12,386.56 × 5,617.30
4. Step 4: Simplify right side
   8,975.56x = 69,579,068.50
5. Step 5: Solve for x
   x = 69,579,068.50/8,975.56
6. Step 6: Final answer
   x = 7,752.06