Finding the Fourth Proportional to 12,518.86, 17,277.96 and 7,141.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,518.86 : 17,277.96 = 7,141.32 : x
2. Step 2: Convert to fraction form
   12,518.86/17,277.96 = 7,141.32/x
3. Step 3: Cross multiply
   12,518.86x = 17,277.96 × 7,141.32
4. Step 4: Simplify right side
   12,518.86x = 123,387,441.31
5. Step 5: Solve for x
   x = 123,387,441.31/12,518.86
6. Step 6: Final answer
   x = 9,856.12