Finding the Fourth Proportional to 181,401.28, 272,104.68 and 69,087.72

Step by Step Solution

1. Step 1: Write the proportion equation
   181,401.28 : 272,104.68 = 69,087.72 : x
2. Step 2: Convert to fraction form
   181,401.28/272,104.68 = 69,087.72/x
3. Step 3: Cross multiply
   181,401.28x = 272,104.68 × 69,087.72
4. Step 4: Simplify right side
   181,401.28x = 18,799,091,942.53
5. Step 5: Solve for x
   x = 18,799,091,942.53/181,401.28
6. Step 6: Final answer
   x = 103,632.63