Finding the Fourth Proportional to 2,498.64, 3,747.91 and 1,111.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.64 : 3,747.91 = 1,111.60 : x
2. Step 2: Convert to fraction form
   2,498.64/3,747.91 = 1,111.60/x
3. Step 3: Cross multiply
   2,498.64x = 3,747.91 × 1,111.60
4. Step 4: Simplify right side
   2,498.64x = 4,166,176.76
5. Step 5: Solve for x
   x = 4,166,176.76/2,498.64
6. Step 6: Final answer
   x = 1,667.38