Finding the Fourth Proportional to 5,185.37, 7,782.73 and 3,515.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.37 : 7,782.73 = 3,515.46 : x
2. Step 2: Convert to fraction form
   5,185.37/7,782.73 = 3,515.46/x
3. Step 3: Cross multiply
   5,185.37x = 7,782.73 × 3,515.46
4. Step 4: Simplify right side
   5,185.37x = 27,359,876.01
5. Step 5: Solve for x
   x = 27,359,876.01/5,185.37
6. Step 6: Final answer
   x = 5,276.36