Finding the Fourth Proportional to 8,798.62, 12,141.78 and 5,021.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,798.62 : 12,141.78 = 5,021.98 : x
2. Step 2: Convert to fraction form
   8,798.62/12,141.78 = 5,021.98/x
3. Step 3: Cross multiply
   8,798.62x = 12,141.78 × 5,021.98
4. Step 4: Simplify right side
   8,798.62x = 60,975,776.32
5. Step 5: Solve for x
   x = 60,975,776.32/8,798.62
6. Step 6: Final answer
   x = 6,930.15