Finding the Fourth Proportional to 13,735.34, 18,954.69 and 7,447.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,735.34 : 18,954.69 = 7,447.58 : x
2. Step 2: Convert to fraction form
   13,735.34/18,954.69 = 7,447.58/x
3. Step 3: Cross multiply
   13,735.34x = 18,954.69 × 7,447.58
4. Step 4: Simplify right side
   13,735.34x = 141,166,570.15
5. Step 5: Solve for x
   x = 141,166,570.15/13,735.34
6. Step 6: Final answer
   x = 10,277.62