Finding the Fourth Proportional to 90,124.92, 135,103.71 and 42,762.27

Step by Step Solution

1. Step 1: Write the proportion equation
   90,124.92 : 135,103.71 = 42,762.27 : x
2. Step 2: Convert to fraction form
   90,124.92/135,103.71 = 42,762.27/x
3. Step 3: Cross multiply
   90,124.92x = 135,103.71 × 42,762.27
4. Step 4: Simplify right side
   90,124.92x = 5,777,341,325.02
5. Step 5: Solve for x
   x = 5,777,341,325.02/90,124.92
6. Step 6: Final answer
   x = 64,103.71