Finding the Fourth Proportional to 13,773.29, 19,006.60 and 7,485.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773.29 : 19,006.60 = 7,485.53 : x
2. Step 2: Convert to fraction form
   13,773.29/19,006.60 = 7,485.53/x
3. Step 3: Cross multiply
   13,773.29x = 19,006.60 × 7,485.53
4. Step 4: Simplify right side
   13,773.29x = 142,274,474.50
5. Step 5: Solve for x
   x = 142,274,474.50/13,773.29
6. Step 6: Final answer
   x = 10,329.74