Finding the Fourth Proportional to 13,101.46, 18,080.37 and 7,436.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,101.46 : 18,080.37 = 7,436.45 : x
2. Step 2: Convert to fraction form
   13,101.46/18,080.37 = 7,436.45/x
3. Step 3: Cross multiply
   13,101.46x = 18,080.37 × 7,436.45
4. Step 4: Simplify right side
   13,101.46x = 134,453,812.69
5. Step 5: Solve for x
   x = 134,453,812.69/13,101.46
6. Step 6: Final answer
   x = 10,262.51