Finding the Fourth Proportional to 2,191.98, 3,288.51 and 731.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.98 : 3,288.51 = 731.13 : x
2. Step 2: Convert to fraction form
   2,191.98/3,288.51 = 731.13/x
3. Step 3: Cross multiply
   2,191.98x = 3,288.51 × 731.13
4. Step 4: Simplify right side
   2,191.98x = 2,404,328.32
5. Step 5: Solve for x
   x = 2,404,328.32/2,191.98
6. Step 6: Final answer
   x = 1,096.88