Finding the Fourth Proportional to 109,778.82, 151,439.04 and 69,424.62

Step by Step Solution

1. Step 1: Write the proportion equation
   109,778.82 : 151,439.04 = 69,424.62 : x
2. Step 2: Convert to fraction form
   109,778.82/151,439.04 = 69,424.62/x
3. Step 3: Cross multiply
   109,778.82x = 151,439.04 × 69,424.62
4. Step 4: Simplify right side
   109,778.82x = 10,513,597,805.16
5. Step 5: Solve for x
   x = 10,513,597,805.16/109,778.82
6. Step 6: Final answer
   x = 95,770.73