Finding the Fourth Proportional to 2,227.19, 3,346.83 and 1,187.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.19 : 3,346.83 = 1,187.91 : x
2. Step 2: Convert to fraction form
   2,227.19/3,346.83 = 1,187.91/x
3. Step 3: Cross multiply
   2,227.19x = 3,346.83 × 1,187.91
4. Step 4: Simplify right side
   2,227.19x = 3,975,732.83
5. Step 5: Solve for x
   x = 3,975,732.83/2,227.19
6. Step 6: Final answer
   x = 1,785.09