Finding the Fourth Proportional to 106,488.69, 146,889.27 and 68,235.36

Step by Step Solution

1. Step 1: Write the proportion equation
   106,488.69 : 146,889.27 = 68,235.36 : x
2. Step 2: Convert to fraction form
   106,488.69/146,889.27 = 68,235.36/x
3. Step 3: Cross multiply
   106,488.69x = 146,889.27 × 68,235.36
4. Step 4: Simplify right side
   106,488.69x = 10,023,042,218.59
5. Step 5: Solve for x
   x = 10,023,042,218.59/106,488.69
6. Step 6: Final answer
   x = 94,123.07