Finding the Fourth Proportional to 2,921.27, 4,381.79 and 730.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,921.27 : 4,381.79 = 730.00 : x
2. Step 2: Convert to fraction form
   2,921.27/4,381.79 = 730.00/x
3. Step 3: Cross multiply
   2,921.27x = 4,381.79 × 730.00
4. Step 4: Simplify right side
   2,921.27x = 3,198,684.79
5. Step 5: Solve for x
   x = 3,198,684.79/2,921.27
6. Step 6: Final answer
   x = 1,094.96