Finding the Fourth Proportional to 90,152.84, 135,271.38 and 40,227.72

Step by Step Solution

1. Step 1: Write the proportion equation
   90,152.84 : 135,271.38 = 40,227.72 : x
2. Step 2: Convert to fraction form
   90,152.84/135,271.38 = 40,227.72/x
3. Step 3: Cross multiply
   90,152.84x = 135,271.38 × 40,227.72
4. Step 4: Simplify right side
   90,152.84x = 5,441,659,198.65
5. Step 5: Solve for x
   x = 5,441,659,198.65/90,152.84
6. Step 6: Final answer
   x = 60,360.37