Finding the Fourth Proportional to 13,373.82, 18,450.47 and 7,705.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,373.82 : 18,450.47 = 7,705.53 : x
2. Step 2: Convert to fraction form
   13,373.82/18,450.47 = 7,705.53/x
3. Step 3: Cross multiply
   13,373.82x = 18,450.47 × 7,705.53
4. Step 4: Simplify right side
   13,373.82x = 142,170,650.10
5. Step 5: Solve for x
   x = 142,170,650.10/13,373.82
6. Step 6: Final answer
   x = 10,630.52