Finding the Fourth Proportional to 10,072.56, 15,091.78 and 6,168.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.56 : 15,091.78 = 6,168.81 : x
2. Step 2: Convert to fraction form
   10,072.56/15,091.78 = 6,168.81/x
3. Step 3: Cross multiply
   10,072.56x = 15,091.78 × 6,168.81
4. Step 4: Simplify right side
   10,072.56x = 93,098,323.38
5. Step 5: Solve for x
   x = 93,098,323.38/10,072.56
6. Step 6: Final answer
   x = 9,242.77