Finding the Fourth Proportional to 2,780.52, 3,837.42 and 1,601.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780.52 : 3,837.42 = 1,601.88 : x
2. Step 2: Convert to fraction form
   2,780.52/3,837.42 = 1,601.88/x
3. Step 3: Cross multiply
   2,780.52x = 3,837.42 × 1,601.88
4. Step 4: Simplify right side
   2,780.52x = 6,147,086.35
5. Step 5: Solve for x
   x = 6,147,086.35/2,780.52
6. Step 6: Final answer
   x = 2,210.77