Finding the Fourth Proportional to 10,621.59, 15,932.69 and 3,601.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,621.59 : 15,932.69 = 3,601.63 : x
2. Step 2: Convert to fraction form
   10,621.59/15,932.69 = 3,601.63/x
3. Step 3: Cross multiply
   10,621.59x = 15,932.69 × 3,601.63
4. Step 4: Simplify right side
   10,621.59x = 57,383,574.62
5. Step 5: Solve for x
   x = 57,383,574.62/10,621.59
6. Step 6: Final answer
   x = 5,402.54