Finding the Fourth Proportional to 4,648.18, 6,411.81 and 2,784.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,648.18 : 6,411.81 = 2,784.10 : x
2. Step 2: Convert to fraction form
   4,648.18/6,411.81 = 2,784.10/x
3. Step 3: Cross multiply
   4,648.18x = 6,411.81 × 2,784.10
4. Step 4: Simplify right side
   4,648.18x = 17,851,120.22
5. Step 5: Solve for x
   x = 17,851,120.22/4,648.18
6. Step 6: Final answer
   x = 3,840.45