Finding the Fourth Proportional to 8,827.72, 12,180.90 and 5,101

Step by Step Solution

1. Step 1: Write the proportion equation
   8,827.72 : 12,180.90 = 5,101 : x
2. Step 2: Convert to fraction form
   8,827.72/12,180.90 = 5,101/x
3. Step 3: Cross multiply
   8,827.72x = 12,180.90 × 5,101
4. Step 4: Simplify right side
   8,827.72x = 62,134,770.90
5. Step 5: Solve for x
   x = 62,134,770.90/8,827.72
6. Step 6: Final answer
   x = 7,038.60