Finding the Fourth Proportional to 105,606.84, 158,410.59 and 26,721.05

Step by Step Solution

1. Step 1: Write the proportion equation
   105,606.84 : 158,410.59 = 26,721.05 : x
2. Step 2: Convert to fraction form
   105,606.84/158,410.59 = 26,721.05/x
3. Step 3: Cross multiply
   105,606.84x = 158,410.59 × 26,721.05
4. Step 4: Simplify right side
   105,606.84x = 4,232,897,162.31
5. Step 5: Solve for x
   x = 4,232,897,162.31/105,606.84
6. Step 6: Final answer
   x = 40,081.66