Finding the Fourth Proportional to 90,019.50, 134,937.09 and 37,459.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,019.50 : 134,937.09 = 37,459.50 : x
2. Step 2: Convert to fraction form
   90,019.50/134,937.09 = 37,459.50/x
3. Step 3: Cross multiply
   90,019.50x = 134,937.09 × 37,459.50
4. Step 4: Simplify right side
   90,019.50x = 5,054,675,922.86
5. Step 5: Solve for x
   x = 5,054,675,922.86/90,019.50
6. Step 6: Final answer
   x = 56,150.90