Finding the Fourth Proportional to 8,698.67, 12,001.33 and 4,921.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,698.67 : 12,001.33 = 4,921.47 : x
2. Step 2: Convert to fraction form
   8,698.67/12,001.33 = 4,921.47/x
3. Step 3: Cross multiply
   8,698.67x = 12,001.33 × 4,921.47
4. Step 4: Simplify right side
   8,698.67x = 59,064,185.56
5. Step 5: Solve for x
   x = 59,064,185.56/8,698.67
6. Step 6: Final answer
   x = 6,790.02