Finding the Fourth Proportional to 105,913.80, 158,870.16 and 49,753.62

Step by Step Solution

1. Step 1: Write the proportion equation
   105,913.80 : 158,870.16 = 49,753.62 : x
2. Step 2: Convert to fraction form
   105,913.80/158,870.16 = 49,753.62/x
3. Step 3: Cross multiply
   105,913.80x = 158,870.16 × 49,753.62
4. Step 4: Simplify right side
   105,913.80x = 7,904,365,569.98
5. Step 5: Solve for x
   x = 7,904,365,569.98/105,913.80
6. Step 6: Final answer
   x = 74,630.18