Finding the Fourth Proportional to 95,345.49, 143,019.24 and 28,786.17

Step by Step Solution

1. Step 1: Write the proportion equation
   95,345.49 : 143,019.24 = 28,786.17 : x
2. Step 2: Convert to fraction form
   95,345.49/143,019.24 = 28,786.17/x
3. Step 3: Cross multiply
   95,345.49x = 143,019.24 × 28,786.17
4. Step 4: Simplify right side
   95,345.49x = 4,116,976,155.91
5. Step 5: Solve for x
   x = 4,116,976,155.91/95,345.49
6. Step 6: Final answer
   x = 43,179.56