Finding the Fourth Proportional to 105,819.93, 146,038.07 and 69,947.73

Step by Step Solution

1. Step 1: Write the proportion equation
   105,819.93 : 146,038.07 = 69,947.73 : x
2. Step 2: Convert to fraction form
   105,819.93/146,038.07 = 69,947.73/x
3. Step 3: Cross multiply
   105,819.93x = 146,038.07 × 69,947.73
4. Step 4: Simplify right side
   105,819.93x = 10,215,031,140.34
5. Step 5: Solve for x
   x = 10,215,031,140.34/105,819.93
6. Step 6: Final answer
   x = 96,532.20