Finding the Fourth Proportional to 13,459.28, 18,573.33 and 7,490.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,459.28 : 18,573.33 = 7,490.82 : x
2. Step 2: Convert to fraction form
   13,459.28/18,573.33 = 7,490.82/x
3. Step 3: Cross multiply
   13,459.28x = 18,573.33 × 7,490.82
4. Step 4: Simplify right side
   13,459.28x = 139,129,375.77
5. Step 5: Solve for x
   x = 139,129,375.77/13,459.28
6. Step 6: Final answer
   x = 10,337.06