Finding the Fourth Proportional to 10,146.33, 15,218.94 and 3,572.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,146.33 : 15,218.94 = 3,572.55 : x
2. Step 2: Convert to fraction form
   10,146.33/15,218.94 = 3,572.55/x
3. Step 3: Cross multiply
   10,146.33x = 15,218.94 × 3,572.55
4. Step 4: Simplify right side
   10,146.33x = 54,370,424.10
5. Step 5: Solve for x
   x = 54,370,424.10/10,146.33
6. Step 6: Final answer
   x = 5,358.63