Finding the Fourth Proportional to 3,736.61, 5,156.31 and 2,057.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.61 : 5,156.31 = 2,057.69 : x
2. Step 2: Convert to fraction form
   3,736.61/5,156.31 = 2,057.69/x
3. Step 3: Cross multiply
   3,736.61x = 5,156.31 × 2,057.69
4. Step 4: Simplify right side
   3,736.61x = 10,610,092.70
5. Step 5: Solve for x
   x = 10,610,092.70/3,736.61
6. Step 6: Final answer
   x = 2,839.50