Finding the Fourth Proportional to 2,194.07, 3,027.72 and 1,199.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194.07 : 3,027.72 = 1,199.31 : x
2. Step 2: Convert to fraction form
   2,194.07/3,027.72 = 1,199.31/x
3. Step 3: Cross multiply
   2,194.07x = 3,027.72 × 1,199.31
4. Step 4: Simplify right side
   2,194.07x = 3,631,174.87
5. Step 5: Solve for x
   x = 3,631,174.87/2,194.07
6. Step 6: Final answer
   x = 1,655.00