Finding the Fourth Proportional to 105,601.27, 158,402.45 and 26,715.57

Step by Step Solution

1. Step 1: Write the proportion equation
   105,601.27 : 158,402.45 = 26,715.57 : x
2. Step 2: Convert to fraction form
   105,601.27/158,402.45 = 26,715.57/x
3. Step 3: Cross multiply
   105,601.27x = 158,402.45 × 26,715.57
4. Step 4: Simplify right side
   105,601.27x = 4,231,811,741.15
5. Step 5: Solve for x
   x = 4,231,811,741.15/105,601.27
6. Step 6: Final answer
   x = 40,073.49