Finding the Fourth Proportional to 3,833.64, 5,300.78 and 3,656.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,833.64 : 5,300.78 = 3,656.25 : x
2. Step 2: Convert to fraction form
   3,833.64/5,300.78 = 3,656.25/x
3. Step 3: Cross multiply
   3,833.64x = 5,300.78 × 3,656.25
4. Step 4: Simplify right side
   3,833.64x = 19,380,958.59
5. Step 5: Solve for x
   x = 19,380,958.59/3,833.64
6. Step 6: Final answer
   x = 5,055.50