Finding the Fourth Proportional to 2,134.82, 2,945.93 and 1,190.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134.82 : 2,945.93 = 1,190.55 : x
2. Step 2: Convert to fraction form
   2,134.82/2,945.93 = 1,190.55/x
3. Step 3: Cross multiply
   2,134.82x = 2,945.93 × 1,190.55
4. Step 4: Simplify right side
   2,134.82x = 3,507,271.01
5. Step 5: Solve for x
   x = 3,507,271.01/2,134.82
6. Step 6: Final answer
   x = 1,642.89