Finding the Fourth Proportional to 5,256.52, 7,873.98 and 3,798.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,256.52 : 7,873.98 = 3,798.60 : x
2. Step 2: Convert to fraction form
   5,256.52/7,873.98 = 3,798.60/x
3. Step 3: Cross multiply
   5,256.52x = 7,873.98 × 3,798.60
4. Step 4: Simplify right side
   5,256.52x = 29,910,100.43
5. Step 5: Solve for x
   x = 29,910,100.43/5,256.52
6. Step 6: Final answer
   x = 5,690.10