Finding the Fourth Proportional to 90,025, 124,234.50 and 50,281

Step by Step Solution

1. Step 1: Write the proportion equation
   90,025 : 124,234.50 = 50,281 : x
2. Step 2: Convert to fraction form
   90,025/124,234.50 = 50,281/x
3. Step 3: Cross multiply
   90,025x = 124,234.50 × 50,281
4. Step 4: Simplify right side
   90,025x = 6,246,634,894.50
5. Step 5: Solve for x
   x = 6,246,634,894.50/90,025
6. Step 6: Final answer
   x = 69,387.78