Finding the Fourth Proportional to 1,922.07, 2,651.54 and 1,258.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,922.07 : 2,651.54 = 1,258.63 : x
2. Step 2: Convert to fraction form
   1,922.07/2,651.54 = 1,258.63/x
3. Step 3: Cross multiply
   1,922.07x = 2,651.54 × 1,258.63
4. Step 4: Simplify right side
   1,922.07x = 3,337,301.50
5. Step 5: Solve for x
   x = 3,337,301.50/1,922.07
6. Step 6: Final answer
   x = 1,736.31