Finding the Fourth Proportional to 3,740.31, 5,610.50 and 1,786.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,740.31 : 5,610.50 = 1,786.59 : x
2. Step 2: Convert to fraction form
   3,740.31/5,610.50 = 1,786.59/x
3. Step 3: Cross multiply
   3,740.31x = 5,610.50 × 1,786.59
4. Step 4: Simplify right side
   3,740.31x = 10,023,663.20
5. Step 5: Solve for x
   x = 10,023,663.20/3,740.31
6. Step 6: Final answer
   x = 2,679.90