Finding the Fourth Proportional to 1,755.76, 2,422.88 and 969.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,755.76 : 2,422.88 = 969.79 : x
2. Step 2: Convert to fraction form
   1,755.76/2,422.88 = 969.79/x
3. Step 3: Cross multiply
   1,755.76x = 2,422.88 × 969.79
4. Step 4: Simplify right side
   1,755.76x = 2,349,667.83
5. Step 5: Solve for x
   x = 2,349,667.83/1,755.76
6. Step 6: Final answer
   x = 1,338.27