Finding the Fourth Proportional to 67,990.12, 93,824.60 and 37,775.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,990.12 : 93,824.60 = 37,775.50 : x
2. Step 2: Convert to fraction form
   67,990.12/93,824.60 = 37,775.50/x
3. Step 3: Cross multiply
   67,990.12x = 93,824.60 × 37,775.50
4. Step 4: Simplify right side
   67,990.12x = 3,544,270,753.86
5. Step 5: Solve for x
   x = 3,544,270,753.86/67,990.12
6. Step 6: Final answer
   x = 52,129.20