Finding the Fourth Proportional to 2,997.98, 4,135.70 and 2,004.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,997.98 : 4,135.70 = 2,004.72 : x
2. Step 2: Convert to fraction form
   2,997.98/4,135.70 = 2,004.72/x
3. Step 3: Cross multiply
   2,997.98x = 4,135.70 × 2,004.72
4. Step 4: Simplify right side
   2,997.98x = 8,290,920.50
5. Step 5: Solve for x
   x = 8,290,920.50/2,997.98
6. Step 6: Final answer
   x = 2,765.50