Finding the Fourth Proportional to 105,573.27, 158,365.35 and 26,688.18

Step by Step Solution

1. Step 1: Write the proportion equation
   105,573.27 : 158,365.35 = 26,688.18 : x
2. Step 2: Convert to fraction form
   105,573.27/158,365.35 = 26,688.18/x
3. Step 3: Cross multiply
   105,573.27x = 158,365.35 × 26,688.18
4. Step 4: Simplify right side
   105,573.27x = 4,226,482,966.56
5. Step 5: Solve for x
   x = 4,226,482,966.56/105,573.27
6. Step 6: Final answer
   x = 40,033.65