Finding the Fourth Proportional to 105,847.52, 146,076.96 and 69,975.20

Step by Step Solution

1. Step 1: Write the proportion equation
   105,847.52 : 146,076.96 = 69,975.20 : x
2. Step 2: Convert to fraction form
   105,847.52/146,076.96 = 69,975.20/x
3. Step 3: Cross multiply
   105,847.52x = 146,076.96 × 69,975.20
4. Step 4: Simplify right side
   105,847.52x = 10,221,764,491.39
5. Step 5: Solve for x
   x = 10,221,764,491.39/105,847.52
6. Step 6: Final answer
   x = 96,570.66