Finding the Fourth Proportional to 2,191.19, 3,287.57 and 1,368.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.19 : 3,287.57 = 1,368.52 : x
2. Step 2: Convert to fraction form
   2,191.19/3,287.57 = 1,368.52/x
3. Step 3: Cross multiply
   2,191.19x = 3,287.57 × 1,368.52
4. Step 4: Simplify right side
   2,191.19x = 4,499,090.23
5. Step 5: Solve for x
   x = 4,499,090.23/2,191.19
6. Step 6: Final answer
   x = 2,053.26