Finding the Fourth Proportional to 90,914.37, 136,379.45 and 27,748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   90,914.37 : 136,379.45 = 27,748.72 : x
2. Step 2: Convert to fraction form
   90,914.37/136,379.45 = 27,748.72/x
3. Step 3: Cross multiply
   90,914.37x = 136,379.45 × 27,748.72
4. Step 4: Simplify right side
   90,914.37x = 3,784,355,171.80
5. Step 5: Solve for x
   x = 3,784,355,171.80/90,914.37
6. Step 6: Final answer
   x = 41,625.49