Finding the Fourth Proportional to 10,238.76, 14,186.55 and 10,017.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,238.76 : 14,186.55 = 10,017.32 : x
2. Step 2: Convert to fraction form
   10,238.76/14,186.55 = 10,017.32/x
3. Step 3: Cross multiply
   10,238.76x = 14,186.55 × 10,017.32
4. Step 4: Simplify right side
   10,238.76x = 142,111,211.05
5. Step 5: Solve for x
   x = 142,111,211.05/10,238.76
6. Step 6: Final answer
   x = 13,879.73