Finding the Fourth Proportional to 13,096.06, 18,072.01 and 7,127.74

Step by Step Solution

1. Step 1: Write the proportion equation
   13,096.06 : 18,072.01 = 7,127.74 : x
2. Step 2: Convert to fraction form
   13,096.06/18,072.01 = 7,127.74/x
3. Step 3: Cross multiply
   13,096.06x = 18,072.01 × 7,127.74
4. Step 4: Simplify right side
   13,096.06x = 128,812,588.56
5. Step 5: Solve for x
   x = 128,812,588.56/13,096.06
6. Step 6: Final answer
   x = 9,835.98