Finding the Fourth Proportional to 106,355.91, 146,668.82 and 69,992.31

Step by Step Solution

1. Step 1: Write the proportion equation
   106,355.91 : 146,668.82 = 69,992.31 : x
2. Step 2: Convert to fraction form
   106,355.91/146,668.82 = 69,992.31/x
3. Step 3: Cross multiply
   106,355.91x = 146,668.82 × 69,992.31
4. Step 4: Simplify right side
   106,355.91x = 10,265,689,166.81
5. Step 5: Solve for x
   x = 10,265,689,166.81/106,355.91
6. Step 6: Final answer
   x = 96,522.04