Finding the Fourth Proportional to 10,019.52, 13,821.12 and 6,870.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.52 : 13,821.12 = 6,870.24 : x
2. Step 2: Convert to fraction form
   10,019.52/13,821.12 = 6,870.24/x
3. Step 3: Cross multiply
   10,019.52x = 13,821.12 × 6,870.24
4. Step 4: Simplify right side
   10,019.52x = 94,954,411.47
5. Step 5: Solve for x
   x = 94,954,411.47/10,019.52
6. Step 6: Final answer
   x = 9,476.94