Finding the Fourth Proportional to 3,797.60, 5,690.72 and 3,109.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,797.60 : 5,690.72 = 3,109.10 : x
2. Step 2: Convert to fraction form
   3,797.60/5,690.72 = 3,109.10/x
3. Step 3: Cross multiply
   3,797.60x = 5,690.72 × 3,109.10
4. Step 4: Simplify right side
   3,797.60x = 17,692,996.87
5. Step 5: Solve for x
   x = 17,692,996.87/3,797.60
6. Step 6: Final answer
   x = 4,659.00