Finding the Fourth Proportional to 2,497.86, 3,746.55 and 1,109.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,497.86 : 3,746.55 = 1,109.91 : x
2. Step 2: Convert to fraction form
   2,497.86/3,746.55 = 1,109.91/x
3. Step 3: Cross multiply
   2,497.86x = 3,746.55 × 1,109.91
4. Step 4: Simplify right side
   2,497.86x = 4,158,333.31
5. Step 5: Solve for x
   x = 4,158,333.31/2,497.86
6. Step 6: Final answer
   x = 1,664.76