Finding the Fourth Proportional to 13,383.87, 18,468.52 and 7,413.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,383.87 : 18,468.52 = 7,413.94 : x
2. Step 2: Convert to fraction form
   13,383.87/18,468.52 = 7,413.94/x
3. Step 3: Cross multiply
   13,383.87x = 18,468.52 × 7,413.94
4. Step 4: Simplify right side
   13,383.87x = 136,924,499.17
5. Step 5: Solve for x
   x = 136,924,499.17/13,383.87
6. Step 6: Final answer
   x = 10,230.56