Finding the Fourth Proportional to 15,870.24, 21,904.56 and 10,271.52

Step by Step Solution

1. Step 1: Write the proportion equation
   15,870.24 : 21,904.56 = 10,271.52 : x
2. Step 2: Convert to fraction form
   15,870.24/21,904.56 = 10,271.52/x
3. Step 3: Cross multiply
   15,870.24x = 21,904.56 × 10,271.52
4. Step 4: Simplify right side
   15,870.24x = 224,993,126.13
5. Step 5: Solve for x
   x = 224,993,126.13/15,870.24
6. Step 6: Final answer
   x = 14,177.05