Finding the Fourth Proportional to 7,182.06, 9,916.16 and 5,500.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,182.06 : 9,916.16 = 5,500.50 : x
2. Step 2: Convert to fraction form
   7,182.06/9,916.16 = 5,500.50/x
3. Step 3: Cross multiply
   7,182.06x = 9,916.16 × 5,500.50
4. Step 4: Simplify right side
   7,182.06x = 54,543,810.58
5. Step 5: Solve for x
   x = 54,543,810.58/7,182.06
6. Step 6: Final answer
   x = 7,594.45