Finding the Fourth Proportional to 109,364, 150,879.12 and 69,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,364 : 150,879.12 = 69,062.72 : x
2. Step 2: Convert to fraction form
   109,364/150,879.12 = 69,062.72/x
3. Step 3: Cross multiply
   109,364x = 150,879.12 × 69,062.72
4. Step 4: Simplify right side
   109,364x = 10,420,122,418.41
5. Step 5: Solve for x
   x = 10,420,122,418.41/109,364
6. Step 6: Final answer
   x = 95,279.27