Finding the Fourth Proportional to 13,961.43, 19,266.42 and 7,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,961.43 : 19,266.42 = 7,992.72 : x
2. Step 2: Convert to fraction form
   13,961.43/19,266.42 = 7,992.72/x
3. Step 3: Cross multiply
   13,961.43x = 19,266.42 × 7,992.72
4. Step 4: Simplify right side
   13,961.43x = 153,991,100.46
5. Step 5: Solve for x
   x = 153,991,100.46/13,961.43
6. Step 6: Final answer
   x = 11,029.75