Finding the Fourth Proportional to 1,755.68, 2,422.82 and 969.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,755.68 : 2,422.82 = 969.72 : x
2. Step 2: Convert to fraction form
   1,755.68/2,422.82 = 969.72/x
3. Step 3: Cross multiply
   1,755.68x = 2,422.82 × 969.72
4. Step 4: Simplify right side
   1,755.68x = 2,349,457.01
5. Step 5: Solve for x
   x = 2,349,457.01/1,755.68
6. Step 6: Final answer
   x = 1,338.20