Finding the Fourth Proportional to 8,830.50, 12,187.71 and 5,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,830.50 : 12,187.71 = 5,104.50 : x
2. Step 2: Convert to fraction form
   8,830.50/12,187.71 = 5,104.50/x
3. Step 3: Cross multiply
   8,830.50x = 12,187.71 × 5,104.50
4. Step 4: Simplify right side
   8,830.50x = 62,212,165.70
5. Step 5: Solve for x
   x = 62,212,165.70/8,830.50
6. Step 6: Final answer
   x = 7,045.15