Finding the Fourth Proportional to 13,101.58, 18,080.57 and 7,436.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,101.58 : 18,080.57 = 7,436.22 : x
2. Step 2: Convert to fraction form
   13,101.58/18,080.57 = 7,436.22/x
3. Step 3: Cross multiply
   13,101.58x = 18,080.57 × 7,436.22
4. Step 4: Simplify right side
   13,101.58x = 134,451,096.25
5. Step 5: Solve for x
   x = 134,451,096.25/13,101.58
6. Step 6: Final answer
   x = 10,262.20