Finding the Fourth Proportional to 2,276.42, 3,140.16 and 1,685.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.42 : 3,140.16 = 1,685.93 : x
2. Step 2: Convert to fraction form
   2,276.42/3,140.16 = 1,685.93/x
3. Step 3: Cross multiply
   2,276.42x = 3,140.16 × 1,685.93
4. Step 4: Simplify right side
   2,276.42x = 5,294,074.25
5. Step 5: Solve for x
   x = 5,294,074.25/2,276.42
6. Step 6: Final answer
   x = 2,325.62