Finding the Fourth Proportional to 3,337.61, 5,007.89 and 1,489.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,337.61 : 5,007.89 = 1,489.86 : x
2. Step 2: Convert to fraction form
   3,337.61/5,007.89 = 1,489.86/x
3. Step 3: Cross multiply
   3,337.61x = 5,007.89 × 1,489.86
4. Step 4: Simplify right side
   3,337.61x = 7,461,058.72
5. Step 5: Solve for x
   x = 7,461,058.72/3,337.61
6. Step 6: Final answer
   x = 2,235.45