Finding the Fourth Proportional to 2,780.43, 3,837.09 and 1,601.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780.43 : 3,837.09 = 1,601.48 : x
2. Step 2: Convert to fraction form
   2,780.43/3,837.09 = 1,601.48/x
3. Step 3: Cross multiply
   2,780.43x = 3,837.09 × 1,601.48
4. Step 4: Simplify right side
   2,780.43x = 6,145,003.71
5. Step 5: Solve for x
   x = 6,145,003.71/2,780.43
6. Step 6: Final answer
   x = 2,210.09