Finding the Fourth Proportional to 89,868.69, 134,823.78 and 26,687.41

Step by Step Solution

1. Step 1: Write the proportion equation
   89,868.69 : 134,823.78 = 26,687.41 : x
2. Step 2: Convert to fraction form
   89,868.69/134,823.78 = 26,687.41/x
3. Step 3: Cross multiply
   89,868.69x = 134,823.78 × 26,687.41
4. Step 4: Simplify right side
   89,868.69x = 3,598,097,494.61
5. Step 5: Solve for x
   x = 3,598,097,494.61/89,868.69
6. Step 6: Final answer
   x = 40,037.28