Finding the Fourth Proportional to 3,826.04, 5,279.99 and 3,693.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.04 : 5,279.99 = 3,693.60 : x
2. Step 2: Convert to fraction form
   3,826.04/5,279.99 = 3,693.60/x
3. Step 3: Cross multiply
   3,826.04x = 5,279.99 × 3,693.60
4. Step 4: Simplify right side
   3,826.04x = 19,502,152.60
5. Step 5: Solve for x
   x = 19,502,152.60/3,826.04
6. Step 6: Final answer
   x = 5,097.22