Finding the Fourth Proportional to 2,498.58, 3,747.18 and 938.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.58 : 3,747.18 = 938.46 : x
2. Step 2: Convert to fraction form
   2,498.58/3,747.18 = 938.46/x
3. Step 3: Cross multiply
   2,498.58x = 3,747.18 × 938.46
4. Step 4: Simplify right side
   2,498.58x = 3,516,580.30
5. Step 5: Solve for x
   x = 3,516,580.30/2,498.58
6. Step 6: Final answer
   x = 1,407.43