Finding the Fourth Proportional to 105,688.62, 158,534.15 and 26,800.83

Step by Step Solution

1. Step 1: Write the proportion equation
   105,688.62 : 158,534.15 = 26,800.83 : x
2. Step 2: Convert to fraction form
   105,688.62/158,534.15 = 26,800.83/x
3. Step 3: Cross multiply
   105,688.62x = 158,534.15 × 26,800.83
4. Step 4: Simplify right side
   105,688.62x = 4,248,846,669.34
5. Step 5: Solve for x
   x = 4,248,846,669.34/105,688.62
6. Step 6: Final answer
   x = 40,201.55