Finding the Fourth Proportional to 3,736.61, 5,156.12 and 2,057.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.61 : 5,156.12 = 2,057.91 : x
2. Step 2: Convert to fraction form
   3,736.61/5,156.12 = 2,057.91/x
3. Step 3: Cross multiply
   3,736.61x = 5,156.12 × 2,057.91
4. Step 4: Simplify right side
   3,736.61x = 10,610,847.67
5. Step 5: Solve for x
   x = 10,610,847.67/3,736.61
6. Step 6: Final answer
   x = 2,839.70