Finding the Fourth Proportional to 8,798, 12,141.48 and 5,072.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,798 : 12,141.48 = 5,072.24 : x
2. Step 2: Convert to fraction form
   8,798/12,141.48 = 5,072.24/x
3. Step 3: Cross multiply
   8,798x = 12,141.48 × 5,072.24
4. Step 4: Simplify right side
   8,798x = 61,584,500.52
5. Step 5: Solve for x
   x = 61,584,500.52/8,798
6. Step 6: Final answer
   x = 6,999.83