Finding the Fourth Proportional to 10,238.86, 15,358.32 and 2,843.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,238.86 : 15,358.32 = 2,843.72 : x
2. Step 2: Convert to fraction form
   10,238.86/15,358.32 = 2,843.72/x
3. Step 3: Cross multiply
   10,238.86x = 15,358.32 × 2,843.72
4. Step 4: Simplify right side
   10,238.86x = 43,674,761.75
5. Step 5: Solve for x
   x = 43,674,761.75/10,238.86
6. Step 6: Final answer
   x = 4,265.59