Finding the Fourth Proportional to 109,368, 150,884.64 and 69,066.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,368 : 150,884.64 = 69,066.72 : x
2. Step 2: Convert to fraction form
   109,368/150,884.64 = 69,066.72/x
3. Step 3: Cross multiply
   109,368x = 150,884.64 × 69,066.72
4. Step 4: Simplify right side
   109,368x = 10,421,107,183.18
5. Step 5: Solve for x
   x = 10,421,107,183.18/109,368
6. Step 6: Final answer
   x = 95,284.79