Finding the Fourth Proportional to 2,921.55, 4,382.25 and 1,190.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,921.55 : 4,382.25 = 1,190.18 : x
2. Step 2: Convert to fraction form
   2,921.55/4,382.25 = 1,190.18/x
3. Step 3: Cross multiply
   2,921.55x = 4,382.25 × 1,190.18
4. Step 4: Simplify right side
   2,921.55x = 5,215,644.39
5. Step 5: Solve for x
   x = 5,215,644.39/2,921.55
6. Step 6: Final answer
   x = 1,785.23