Finding the Fourth Proportional to 13,697.46, 18,902.49 and 7,409.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,697.46 : 18,902.49 = 7,409.82 : x
2. Step 2: Convert to fraction form
   13,697.46/18,902.49 = 7,409.82/x
3. Step 3: Cross multiply
   13,697.46x = 18,902.49 × 7,409.82
4. Step 4: Simplify right side
   13,697.46x = 140,064,048.45
5. Step 5: Solve for x
   x = 140,064,048.45/13,697.46
6. Step 6: Final answer
   x = 10,225.55