Finding the Fourth Proportional to 105,956.65, 146,135.61 and 69,695.34

Step by Step Solution

1. Step 1: Write the proportion equation
   105,956.65 : 146,135.61 = 69,695.34 : x
2. Step 2: Convert to fraction form
   105,956.65/146,135.61 = 69,695.34/x
3. Step 3: Cross multiply
   105,956.65x = 146,135.61 × 69,695.34
4. Step 4: Simplify right side
   105,956.65x = 10,184,971,025.06
5. Step 5: Solve for x
   x = 10,184,971,025.06/105,956.65
6. Step 6: Final answer
   x = 96,123.94