Finding the Fourth Proportional to 1,931.72, 2,897.69 and 699.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.72 : 2,897.69 = 699.26 : x
2. Step 2: Convert to fraction form
   1,931.72/2,897.69 = 699.26/x
3. Step 3: Cross multiply
   1,931.72x = 2,897.69 × 699.26
4. Step 4: Simplify right side
   1,931.72x = 2,026,220.72
5. Step 5: Solve for x
   x = 2,026,220.72/1,931.72
6. Step 6: Final answer
   x = 1,048.92