Finding the Fourth Proportional to 3,826.76, 5,740.25 and 1,053.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.76 : 5,740.25 = 1,053.45 : x
2. Step 2: Convert to fraction form
   3,826.76/5,740.25 = 1,053.45/x
3. Step 3: Cross multiply
   3,826.76x = 5,740.25 × 1,053.45
4. Step 4: Simplify right side
   3,826.76x = 6,047,061.10
5. Step 5: Solve for x
   x = 6,047,061.10/3,826.76
6. Step 6: Final answer
   x = 1,580.21