Finding the Fourth Proportional to 2,764.02, 3,807.86 and 1,923.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.02 : 3,807.86 = 1,923.28 : x
2. Step 2: Convert to fraction form
   2,764.02/3,807.86 = 1,923.28/x
3. Step 3: Cross multiply
   2,764.02x = 3,807.86 × 1,923.28
4. Step 4: Simplify right side
   2,764.02x = 7,323,567.83
5. Step 5: Solve for x
   x = 7,323,567.83/2,764.02
6. Step 6: Final answer
   x = 2,649.61