Finding the Fourth Proportional to 5,388.50, 7,436.22 and 3,525.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,388.50 : 7,436.22 = 3,525.50 : x
2. Step 2: Convert to fraction form
   5,388.50/7,436.22 = 3,525.50/x
3. Step 3: Cross multiply
   5,388.50x = 7,436.22 × 3,525.50
4. Step 4: Simplify right side
   5,388.50x = 26,216,393.61
5. Step 5: Solve for x
   x = 26,216,393.61/5,388.50
6. Step 6: Final answer
   x = 4,865.25