Finding the Fourth Proportional to 13,096.37, 18,072.50 and 7,127.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,096.37 : 18,072.50 = 7,127.91 : x
2. Step 2: Convert to fraction form
   13,096.37/18,072.50 = 7,127.91/x
3. Step 3: Cross multiply
   13,096.37x = 18,072.50 × 7,127.91
4. Step 4: Simplify right side
   13,096.37x = 128,819,171.29
5. Step 5: Solve for x
   x = 128,819,171.29/13,096.37
6. Step 6: Final answer
   x = 9,836.25