Finding the Fourth Proportional to 2,191.76, 3,287.72 and 730.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.76 : 3,287.72 = 730.93 : x
2. Step 2: Convert to fraction form
   2,191.76/3,287.72 = 730.93/x
3. Step 3: Cross multiply
   2,191.76x = 3,287.72 × 730.93
4. Step 4: Simplify right side
   2,191.76x = 2,403,093.18
5. Step 5: Solve for x
   x = 2,403,093.18/2,191.76
6. Step 6: Final answer
   x = 1,096.42