Finding the Fourth Proportional to 3,838.93, 5,307.15 and 3,803.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,838.93 : 5,307.15 = 3,803.83 : x
2. Step 2: Convert to fraction form
   3,838.93/5,307.15 = 3,803.83/x
3. Step 3: Cross multiply
   3,838.93x = 5,307.15 × 3,803.83
4. Step 4: Simplify right side
   3,838.93x = 20,187,496.38
5. Step 5: Solve for x
   x = 20,187,496.38/3,838.93
6. Step 6: Final answer
   x = 5,258.63