Finding the Fourth Proportional to 13,092.34, 18,067.48 and 7,123.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,092.34 : 18,067.48 = 7,123.96 : x
2. Step 2: Convert to fraction form
   13,092.34/18,067.48 = 7,123.96/x
3. Step 3: Cross multiply
   13,092.34x = 18,067.48 × 7,123.96
4. Step 4: Simplify right side
   13,092.34x = 128,712,004.82
5. Step 5: Solve for x
   x = 128,712,004.82/13,092.34
6. Step 6: Final answer
   x = 9,831.09