Finding the Fourth Proportional to 12,894.93, 17,794.71 and 7,230.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,894.93 : 17,794.71 = 7,230.15 : x
2. Step 2: Convert to fraction form
   12,894.93/17,794.71 = 7,230.15/x
3. Step 3: Cross multiply
   12,894.93x = 17,794.71 × 7,230.15
4. Step 4: Simplify right side
   12,894.93x = 128,658,422.51
5. Step 5: Solve for x
   x = 128,658,422.51/12,894.93
6. Step 6: Final answer
   x = 9,977.44