Finding the Fourth Proportional to 13,773.18, 19,006.82 and 7,485.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773.18 : 19,006.82 = 7,485.42 : x
2. Step 2: Convert to fraction form
   13,773.18/19,006.82 = 7,485.42/x
3. Step 3: Cross multiply
   13,773.18x = 19,006.82 × 7,485.42
4. Step 4: Simplify right side
   13,773.18x = 142,274,030.56
5. Step 5: Solve for x
   x = 142,274,030.56/13,773.18
6. Step 6: Final answer
   x = 10,329.79