Finding the Fourth Proportional to 2,784.16, 3,841.59 and 1,605.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.16 : 3,841.59 = 1,605.61 : x
2. Step 2: Convert to fraction form
   2,784.16/3,841.59 = 1,605.61/x
3. Step 3: Cross multiply
   2,784.16x = 3,841.59 × 1,605.61
4. Step 4: Simplify right side
   2,784.16x = 6,168,095.32
5. Step 5: Solve for x
   x = 6,168,095.32/2,784.16
6. Step 6: Final answer
   x = 2,215.42