Finding the Fourth Proportional to 13,053.72, 18,014.22 and 7,388.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,053.72 : 18,014.22 = 7,388.76 : x
2. Step 2: Convert to fraction form
   13,053.72/18,014.22 = 7,388.76/x
3. Step 3: Cross multiply
   13,053.72x = 18,014.22 × 7,388.76
4. Step 4: Simplify right side
   13,053.72x = 133,102,748.17
5. Step 5: Solve for x
   x = 133,102,748.17/13,053.72
6. Step 6: Final answer
   x = 10,196.54