Finding the Fourth Proportional to 13,100.42, 18,079.52 and 7,436.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,100.42 : 18,079.52 = 7,436.13 : x
2. Step 2: Convert to fraction form
   13,100.42/18,079.52 = 7,436.13/x
3. Step 3: Cross multiply
   13,100.42x = 18,079.52 × 7,436.13
4. Step 4: Simplify right side
   13,100.42x = 134,441,623.88
5. Step 5: Solve for x
   x = 134,441,623.88/13,100.42
6. Step 6: Final answer
   x = 10,262.39