Finding the Fourth Proportional to 1,930.60, 2,895.78 and 697.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,930.60 : 2,895.78 = 697.69 : x
2. Step 2: Convert to fraction form
   1,930.60/2,895.78 = 697.69/x
3. Step 3: Cross multiply
   1,930.60x = 2,895.78 × 697.69
4. Step 4: Simplify right side
   1,930.60x = 2,020,342.27
5. Step 5: Solve for x
   x = 2,020,342.27/1,930.60
6. Step 6: Final answer
   x = 1,046.49