Finding the Fourth Proportional to 10,539.37, 15,805.41 and 3,612.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,539.37 : 15,805.41 = 3,612.25 : x
2. Step 2: Convert to fraction form
   10,539.37/15,805.41 = 3,612.25/x
3. Step 3: Cross multiply
   10,539.37x = 15,805.41 × 3,612.25
4. Step 4: Simplify right side
   10,539.37x = 57,093,092.27
5. Step 5: Solve for x
   x = 57,093,092.27/10,539.37
6. Step 6: Final answer
   x = 5,417.13