Finding the Fourth Proportional to 3,742.32, 5,613.50 and 1,788.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,742.32 : 5,613.50 = 1,788.60 : x
2. Step 2: Convert to fraction form
   3,742.32/5,613.50 = 1,788.60/x
3. Step 3: Cross multiply
   3,742.32x = 5,613.50 × 1,788.60
4. Step 4: Simplify right side
   3,742.32x = 10,040,306.10
5. Step 5: Solve for x
   x = 10,040,306.10/3,742.32
6. Step 6: Final answer
   x = 2,682.91