Finding the Fourth Proportional to 95,105.19, 142,660.38 and 28,545.32

Step by Step Solution

1. Step 1: Write the proportion equation
   95,105.19 : 142,660.38 = 28,545.32 : x
2. Step 2: Convert to fraction form
   95,105.19/142,660.38 = 28,545.32/x
3. Step 3: Cross multiply
   95,105.19x = 142,660.38 × 28,545.32
4. Step 4: Simplify right side
   95,105.19x = 4,072,286,662.12
5. Step 5: Solve for x
   x = 4,072,286,662.12/95,105.19
6. Step 6: Final answer
   x = 42,818.76