Finding the Fourth Proportional to 2,191.83, 3,286.52 and 730.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.83 : 3,286.52 = 730.19 : x
2. Step 2: Convert to fraction form
   2,191.83/3,286.52 = 730.19/x
3. Step 3: Cross multiply
   2,191.83x = 3,286.52 × 730.19
4. Step 4: Simplify right side
   2,191.83x = 2,399,767.61
5. Step 5: Solve for x
   x = 2,399,767.61/2,191.83
6. Step 6: Final answer
   x = 1,094.87