Finding the Fourth Proportional to 10,191.32, 15,288.50 and 3,616.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,191.32 : 15,288.50 = 3,616.95 : x
2. Step 2: Convert to fraction form
   10,191.32/15,288.50 = 3,616.95/x
3. Step 3: Cross multiply
   10,191.32x = 15,288.50 × 3,616.95
4. Step 4: Simplify right side
   10,191.32x = 55,297,786.10
5. Step 5: Solve for x
   x = 55,297,786.10/10,191.32
6. Step 6: Final answer
   x = 5,425.97