Finding the Fourth Proportional to 8,810.67, 12,155.39 and 5,624.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,810.67 : 12,155.39 = 5,624.08 : x
2. Step 2: Convert to fraction form
   8,810.67/12,155.39 = 5,624.08/x
3. Step 3: Cross multiply
   8,810.67x = 12,155.39 × 5,624.08
4. Step 4: Simplify right side
   8,810.67x = 68,362,888.06
5. Step 5: Solve for x
   x = 68,362,888.06/8,810.67
6. Step 6: Final answer
   x = 7,759.10