Finding the Fourth Proportional to 13,476.18, 18,596.54 and 7,508.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,476.18 : 18,596.54 = 7,508.50 : x
2. Step 2: Convert to fraction form
   13,476.18/18,596.54 = 7,508.50/x
3. Step 3: Cross multiply
   13,476.18x = 18,596.54 × 7,508.50
4. Step 4: Simplify right side
   13,476.18x = 139,632,120.59
5. Step 5: Solve for x
   x = 139,632,120.59/13,476.18
6. Step 6: Final answer
   x = 10,361.40