Finding the Fourth Proportional to 3,764.86, 5,647.33 and 1,790.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,764.86 : 5,647.33 = 1,790.70 : x
2. Step 2: Convert to fraction form
   3,764.86/5,647.33 = 1,790.70/x
3. Step 3: Cross multiply
   3,764.86x = 5,647.33 × 1,790.70
4. Step 4: Simplify right side
   3,764.86x = 10,112,654.89
5. Step 5: Solve for x
   x = 10,112,654.89/3,764.86
6. Step 6: Final answer
   x = 2,686.07