Finding the Fourth Proportional to 105,550.16, 158,345.16 and 42,375.23

Step by Step Solution

1. Step 1: Write the proportion equation
   105,550.16 : 158,345.16 = 42,375.23 : x
2. Step 2: Convert to fraction form
   105,550.16/158,345.16 = 42,375.23/x
3. Step 3: Cross multiply
   105,550.16x = 158,345.16 × 42,375.23
4. Step 4: Simplify right side
   105,550.16x = 6,709,912,574.39
5. Step 5: Solve for x
   x = 6,709,912,574.39/105,550.16
6. Step 6: Final answer
   x = 63,570.84