Finding the Fourth Proportional to 20,798.98, 31,198.43 and 5,004

Step by Step Solution

1. Step 1: Write the proportion equation
   20,798.98 : 31,198.43 = 5,004 : x
2. Step 2: Convert to fraction form
   20,798.98/31,198.43 = 5,004/x
3. Step 3: Cross multiply
   20,798.98x = 31,198.43 × 5,004
4. Step 4: Simplify right side
   20,798.98x = 156,116,943.72
5. Step 5: Solve for x
   x = 156,116,943.72/20,798.98
6. Step 6: Final answer
   x = 7,505.99