Finding the Fourth Proportional to 2,780.59, 3,838.04 and 1,602.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780.59 : 3,838.04 = 1,602.49 : x
2. Step 2: Convert to fraction form
   2,780.59/3,838.04 = 1,602.49/x
3. Step 3: Cross multiply
   2,780.59x = 3,838.04 × 1,602.49
4. Step 4: Simplify right side
   2,780.59x = 6,150,420.72
5. Step 5: Solve for x
   x = 6,150,420.72/2,780.59
6. Step 6: Final answer
   x = 2,211.91