Finding the Fourth Proportional to 13,092.44, 18,067.96 and 7,123.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,092.44 : 18,067.96 = 7,123.75 : x
2. Step 2: Convert to fraction form
   13,092.44/18,067.96 = 7,123.75/x
3. Step 3: Cross multiply
   13,092.44x = 18,067.96 × 7,123.75
4. Step 4: Simplify right side
   13,092.44x = 128,711,593.78
5. Step 5: Solve for x
   x = 128,711,593.78/13,092.44
6. Step 6: Final answer
   x = 9,830.99