Finding the Fourth Proportional to 12,894.82, 17,795.93 and 7,229.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,894.82 : 17,795.93 = 7,229.47 : x
2. Step 2: Convert to fraction form
   12,894.82/17,795.93 = 7,229.47/x
3. Step 3: Cross multiply
   12,894.82x = 17,795.93 × 7,229.47
4. Step 4: Simplify right side
   12,894.82x = 128,655,142.06
5. Step 5: Solve for x
   x = 128,655,142.06/12,894.82
6. Step 6: Final answer
   x = 9,977.27