Finding the Fourth Proportional to 1,194.71, 1,648.43 and 722.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.71 : 1,648.43 = 722.69 : x
2. Step 2: Convert to fraction form
   1,194.71/1,648.43 = 722.69/x
3. Step 3: Cross multiply
   1,194.71x = 1,648.43 × 722.69
4. Step 4: Simplify right side
   1,194.71x = 1,191,303.88
5. Step 5: Solve for x
   x = 1,191,303.88/1,194.71
6. Step 6: Final answer
   x = 997.15