Finding the Fourth Proportional to 1,755.89, 2,422.92 and 969.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,755.89 : 2,422.92 = 969.79 : x
2. Step 2: Convert to fraction form
   1,755.89/2,422.92 = 969.79/x
3. Step 3: Cross multiply
   1,755.89x = 2,422.92 × 969.79
4. Step 4: Simplify right side
   1,755.89x = 2,349,723.59
5. Step 5: Solve for x
   x = 2,349,723.59/1,755.89
6. Step 6: Final answer
   x = 1,338.20