Finding the Fourth Proportional to 109,360, 150,873.60 and 69,058.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,360 : 150,873.60 = 69,058.72 : x
2. Step 2: Convert to fraction form
   109,360/150,873.60 = 69,058.72/x
3. Step 3: Cross multiply
   109,360x = 150,873.60 × 69,058.72
4. Step 4: Simplify right side
   109,360x = 10,419,137,697.79
5. Step 5: Solve for x
   x = 10,419,137,697.79/109,360
6. Step 6: Final answer
   x = 95,273.75