Finding the Fourth Proportional to 2,023.35, 2,792.57 and 1,931.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,023.35 : 2,792.57 = 1,931.01 : x
2. Step 2: Convert to fraction form
   2,023.35/2,792.57 = 1,931.01/x
3. Step 3: Cross multiply
   2,023.35x = 2,792.57 × 1,931.01
4. Step 4: Simplify right side
   2,023.35x = 5,392,480.60
5. Step 5: Solve for x
   x = 5,392,480.60/2,023.35
6. Step 6: Final answer
   x = 2,665.12