Finding the Fourth Proportional to 89,906.80, 134,811.60 and 37,321.60

Step by Step Solution

1. Step 1: Write the proportion equation
   89,906.80 : 134,811.60 = 37,321.60 : x
2. Step 2: Convert to fraction form
   89,906.80/134,811.60 = 37,321.60/x
3. Step 3: Cross multiply
   89,906.80x = 134,811.60 × 37,321.60
4. Step 4: Simplify right side
   89,906.80x = 5,031,384,610.56
5. Step 5: Solve for x
   x = 5,031,384,610.56/89,906.80
6. Step 6: Final answer
   x = 55,962.23