Finding the Fourth Proportional to 109,856.72, 151,618.45 and 69,574.23

Step by Step Solution

1. Step 1: Write the proportion equation
   109,856.72 : 151,618.45 = 69,574.23 : x
2. Step 2: Convert to fraction form
   109,856.72/151,618.45 = 69,574.23/x
3. Step 3: Cross multiply
   109,856.72x = 151,618.45 × 69,574.23
4. Step 4: Simplify right side
   109,856.72x = 10,548,736,300.49
5. Step 5: Solve for x
   x = 10,548,736,300.49/109,856.72
6. Step 6: Final answer
   x = 96,022.68