Finding the Fourth Proportional to 2,412.57, 3,326.53 and 2,237.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.57 : 3,326.53 = 2,237.61 : x
2. Step 2: Convert to fraction form
   2,412.57/3,326.53 = 2,237.61/x
3. Step 3: Cross multiply
   2,412.57x = 3,326.53 × 2,237.61
4. Step 4: Simplify right side
   2,412.57x = 7,443,476.79
5. Step 5: Solve for x
   x = 7,443,476.79/2,412.57
6. Step 6: Final answer
   x = 3,085.29