Finding the Fourth Proportional to 105,818.87, 146,036.60 and 69,946.67

Step by Step Solution

1. Step 1: Write the proportion equation
   105,818.87 : 146,036.60 = 69,946.67 : x
2. Step 2: Convert to fraction form
   105,818.87/146,036.60 = 69,946.67/x
3. Step 3: Cross multiply
   105,818.87x = 146,036.60 × 69,946.67
4. Step 4: Simplify right side
   105,818.87x = 10,214,773,868.12
5. Step 5: Solve for x
   x = 10,214,773,868.12/105,818.87
6. Step 6: Final answer
   x = 96,530.74