Finding the Fourth Proportional to 13,101.57, 18,080.37 and 7,436.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,101.57 : 18,080.37 = 7,436.16 : x
2. Step 2: Convert to fraction form
   13,101.57/18,080.37 = 7,436.16/x
3. Step 3: Cross multiply
   13,101.57x = 18,080.37 × 7,436.16
4. Step 4: Simplify right side
   13,101.57x = 134,448,524.18
5. Step 5: Solve for x
   x = 134,448,524.18/13,101.57
6. Step 6: Final answer
   x = 10,262.02