Finding the Fourth Proportional to 105,789.68, 158,685.53 and 26,903.91

Step by Step Solution

1. Step 1: Write the proportion equation
   105,789.68 : 158,685.53 = 26,903.91 : x
2. Step 2: Convert to fraction form
   105,789.68/158,685.53 = 26,903.91/x
3. Step 3: Cross multiply
   105,789.68x = 158,685.53 × 26,903.91
4. Step 4: Simplify right side
   105,789.68x = 4,269,261,082.90
5. Step 5: Solve for x
   x = 4,269,261,082.90/105,789.68
6. Step 6: Final answer
   x = 40,356.12