Finding the Fourth Proportional to 2,780.49, 3,837.42 and 1,601.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780.49 : 3,837.42 = 1,601.55 : x
2. Step 2: Convert to fraction form
   2,780.49/3,837.42 = 1,601.55/x
3. Step 3: Cross multiply
   2,780.49x = 3,837.42 × 1,601.55
4. Step 4: Simplify right side
   2,780.49x = 6,145,820.00
5. Step 5: Solve for x
   x = 6,145,820.00/2,780.49
6. Step 6: Final answer
   x = 2,210.34