Finding the Fourth Proportional to 2,079.78, 3,117.45 and 1,037.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.78 : 3,117.45 = 1,037.73 : x
2. Step 2: Convert to fraction form
   2,079.78/3,117.45 = 1,037.73/x
3. Step 3: Cross multiply
   2,079.78x = 3,117.45 × 1,037.73
4. Step 4: Simplify right side
   2,079.78x = 3,235,071.39
5. Step 5: Solve for x
   x = 3,235,071.39/2,079.78
6. Step 6: Final answer
   x = 1,555.49