Finding the Fourth Proportional to 13,740.02, 18,961.46 and 7,452.39

Step by Step Solution

1. Step 1: Write the proportion equation
   13,740.02 : 18,961.46 = 7,452.39 : x
2. Step 2: Convert to fraction form
   13,740.02/18,961.46 = 7,452.39/x
3. Step 3: Cross multiply
   13,740.02x = 18,961.46 × 7,452.39
4. Step 4: Simplify right side
   13,740.02x = 141,308,194.89
5. Step 5: Solve for x
   x = 141,308,194.89/13,740.02
6. Step 6: Final answer
   x = 10,284.42