Finding the Fourth Proportional to 2,987.69, 4,123.41 and 2,240.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,987.69 : 4,123.41 = 2,240.46 : x
2. Step 2: Convert to fraction form
   2,987.69/4,123.41 = 2,240.46/x
3. Step 3: Cross multiply
   2,987.69x = 4,123.41 × 2,240.46
4. Step 4: Simplify right side
   2,987.69x = 9,238,326.77
5. Step 5: Solve for x
   x = 9,238,326.77/2,987.69
6. Step 6: Final answer
   x = 3,092.14