Finding the Fourth Proportional to 2,498.72, 3,748.41 and 938.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.72 : 3,748.41 = 938.66 : x
2. Step 2: Convert to fraction form
   2,498.72/3,748.41 = 938.66/x
3. Step 3: Cross multiply
   2,498.72x = 3,748.41 × 938.66
4. Step 4: Simplify right side
   2,498.72x = 3,518,463.79
5. Step 5: Solve for x
   x = 3,518,463.79/2,498.72
6. Step 6: Final answer
   x = 1,408.11