Finding the Fourth Proportional to 3,784.88, 5,224.56 and 2,798.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,784.88 : 5,224.56 = 2,798.10 : x
2. Step 2: Convert to fraction form
   3,784.88/5,224.56 = 2,798.10/x
3. Step 3: Cross multiply
   3,784.88x = 5,224.56 × 2,798.10
4. Step 4: Simplify right side
   3,784.88x = 14,618,841.34
5. Step 5: Solve for x
   x = 14,618,841.34/3,784.88
6. Step 6: Final answer
   x = 3,862.43