Finding the Fourth Proportional to 13,773.38, 19,007.33 and 7,485.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773.38 : 19,007.33 = 7,485.75 : x
2. Step 2: Convert to fraction form
   13,773.38/19,007.33 = 7,485.75/x
3. Step 3: Cross multiply
   13,773.38x = 19,007.33 × 7,485.75
4. Step 4: Simplify right side
   13,773.38x = 142,284,083.12
5. Step 5: Solve for x
   x = 142,284,083.12/13,773.38
6. Step 6: Final answer
   x = 10,330.37