Finding the Fourth Proportional to 2,023.37, 2,792.78 and 1,238.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,023.37 : 2,792.78 = 1,238.07 : x
2. Step 2: Convert to fraction form
   2,023.37/2,792.78 = 1,238.07/x
3. Step 3: Cross multiply
   2,023.37x = 2,792.78 × 1,238.07
4. Step 4: Simplify right side
   2,023.37x = 3,457,657.13
5. Step 5: Solve for x
   x = 3,457,657.13/2,023.37
6. Step 6: Final answer
   x = 1,708.86