Finding the Fourth Proportional to 10,510.83, 15,680.15 and 10,224.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,510.83 : 15,680.15 = 10,224.83 : x
2. Step 2: Convert to fraction form
   10,510.83/15,680.15 = 10,224.83/x
3. Step 3: Cross multiply
   10,510.83x = 15,680.15 × 10,224.83
4. Step 4: Simplify right side
   10,510.83x = 160,326,894.54
5. Step 5: Solve for x
   x = 160,326,894.54/10,510.83
6. Step 6: Final answer
   x = 15,253.50