Finding the Fourth Proportional to 3,932.56, 5,890.64 and 1,854.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,932.56 : 5,890.64 = 1,854.32 : x
2. Step 2: Convert to fraction form
   3,932.56/5,890.64 = 1,854.32/x
3. Step 3: Cross multiply
   3,932.56x = 5,890.64 × 1,854.32
4. Step 4: Simplify right side
   3,932.56x = 10,923,131.56
5. Step 5: Solve for x
   x = 10,923,131.56/3,932.56
6. Step 6: Final answer
   x = 2,777.61