Finding the Fourth Proportional to 13,466.43, 18,583.70 and 7,499.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,466.43 : 18,583.70 = 7,499.25 : x
2. Step 2: Convert to fraction form
   13,466.43/18,583.70 = 7,499.25/x
3. Step 3: Cross multiply
   13,466.43x = 18,583.70 × 7,499.25
4. Step 4: Simplify right side
   13,466.43x = 139,363,774.73
5. Step 5: Solve for x
   x = 139,363,774.73/13,466.43
6. Step 6: Final answer
   x = 10,348.98