Finding the Fourth Proportional to 12,893.38, 17,796.09 and 7,922.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,893.38 : 17,796.09 = 7,922.50 : x
2. Step 2: Convert to fraction form
   12,893.38/17,796.09 = 7,922.50/x
3. Step 3: Cross multiply
   12,893.38x = 17,796.09 × 7,922.50
4. Step 4: Simplify right side
   12,893.38x = 140,989,523.03
5. Step 5: Solve for x
   x = 140,989,523.03/12,893.38
6. Step 6: Final answer
   x = 10,935.03