Finding the Fourth Proportional to 13,275.02, 18,311.90 and 8,298.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,275.02 : 18,311.90 = 8,298.38 : x
2. Step 2: Convert to fraction form
   13,275.02/18,311.90 = 8,298.38/x
3. Step 3: Cross multiply
   13,275.02x = 18,311.90 × 8,298.38
4. Step 4: Simplify right side
   13,275.02x = 151,958,971.67
5. Step 5: Solve for x
   x = 151,958,971.67/13,275.02
6. Step 6: Final answer
   x = 11,446.99