Finding the Fourth Proportional to 12,468.77, 17,207.56 and 7,163.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,468.77 : 17,207.56 = 7,163.93 : x
2. Step 2: Convert to fraction form
   12,468.77/17,207.56 = 7,163.93/x
3. Step 3: Cross multiply
   12,468.77x = 17,207.56 × 7,163.93
4. Step 4: Simplify right side
   12,468.77x = 123,273,755.31
5. Step 5: Solve for x
   x = 123,273,755.31/12,468.77
6. Step 6: Final answer
   x = 9,886.60