Finding the Fourth Proportional to 105,925.12, 158,922.24 and 50,513.92

Step by Step Solution

1. Step 1: Write the proportion equation
   105,925.12 : 158,922.24 = 50,513.92 : x
2. Step 2: Convert to fraction form
   105,925.12/158,922.24 = 50,513.92/x
3. Step 3: Cross multiply
   105,925.12x = 158,922.24 × 50,513.92
4. Step 4: Simplify right side
   105,925.12x = 8,027,785,317.58
5. Step 5: Solve for x
   x = 8,027,785,317.58/105,925.12
6. Step 6: Final answer
   x = 75,787.36