Finding the Fourth Proportional to 12,888.04, 17,792.10 and 7,922.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,888.04 : 17,792.10 = 7,922.92 : x
2. Step 2: Convert to fraction form
   12,888.04/17,792.10 = 7,922.92/x
3. Step 3: Cross multiply
   12,888.04x = 17,792.10 × 7,922.92
4. Step 4: Simplify right side
   12,888.04x = 140,965,384.93
5. Step 5: Solve for x
   x = 140,965,384.93/12,888.04
6. Step 6: Final answer
   x = 10,937.69