Finding the Fourth Proportional to 109,488.78, 151,095.24 and 69,220.71

Step by Step Solution

1. Step 1: Write the proportion equation
   109,488.78 : 151,095.24 = 69,220.71 : x
2. Step 2: Convert to fraction form
   109,488.78/151,095.24 = 69,220.71/x
3. Step 3: Cross multiply
   109,488.78x = 151,095.24 × 69,220.71
4. Step 4: Simplify right side
   109,488.78x = 10,458,919,790.42
5. Step 5: Solve for x
   x = 10,458,919,790.42/109,488.78
6. Step 6: Final answer
   x = 95,525.04