Finding the Fourth Proportional to 8,698.50, 12,003.93 and 4,921.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,698.50 : 12,003.93 = 4,921.59 : x
2. Step 2: Convert to fraction form
   8,698.50/12,003.93 = 4,921.59/x
3. Step 3: Cross multiply
   8,698.50x = 12,003.93 × 4,921.59
4. Step 4: Simplify right side
   8,698.50x = 59,078,421.85
5. Step 5: Solve for x
   x = 59,078,421.85/8,698.50
6. Step 6: Final answer
   x = 6,791.79