Finding the Fourth Proportional to 2,765.79, 3,816.46 and 1,570.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,765.79 : 3,816.46 = 1,570.77 : x
2. Step 2: Convert to fraction form
   2,765.79/3,816.46 = 1,570.77/x
3. Step 3: Cross multiply
   2,765.79x = 3,816.46 × 1,570.77
4. Step 4: Simplify right side
   2,765.79x = 5,994,789.15
5. Step 5: Solve for x
   x = 5,994,789.15/2,765.79
6. Step 6: Final answer
   x = 2,167.48