Finding the Fourth Proportional to 105,602.43, 158,404.28 and 26,716.62

Step by Step Solution

1. Step 1: Write the proportion equation
   105,602.43 : 158,404.28 = 26,716.62 : x
2. Step 2: Convert to fraction form
   105,602.43/158,404.28 = 26,716.62/x
3. Step 3: Cross multiply
   105,602.43x = 158,404.28 × 26,716.62
4. Step 4: Simplify right side
   105,602.43x = 4,232,026,821.55
5. Step 5: Solve for x
   x = 4,232,026,821.55/105,602.43
6. Step 6: Final answer
   x = 40,075.09