Finding the Fourth Proportional to 10,194.63, 15,287.40 and 3,619.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,194.63 : 15,287.40 = 3,619.05 : x
2. Step 2: Convert to fraction form
   10,194.63/15,287.40 = 3,619.05/x
3. Step 3: Cross multiply
   10,194.63x = 15,287.40 × 3,619.05
4. Step 4: Simplify right side
   10,194.63x = 55,325,864.97
5. Step 5: Solve for x
   x = 55,325,864.97/10,194.63
6. Step 6: Final answer
   x = 5,426.96