Finding the Fourth Proportional to 1,956.67, 2,934.72 and 723.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.67 : 2,934.72 = 723.87 : x
2. Step 2: Convert to fraction form
   1,956.67/2,934.72 = 723.87/x
3. Step 3: Cross multiply
   1,956.67x = 2,934.72 × 723.87
4. Step 4: Simplify right side
   1,956.67x = 2,124,355.77
5. Step 5: Solve for x
   x = 2,124,355.77/1,956.67
6. Step 6: Final answer
   x = 1,085.70