Finding the Fourth Proportional to 65,897.15, 90,944.58 and 37,607.09

Step by Step Solution

1. Step 1: Write the proportion equation
   65,897.15 : 90,944.58 = 37,607.09 : x
2. Step 2: Convert to fraction form
   65,897.15/90,944.58 = 37,607.09/x
3. Step 3: Cross multiply
   65,897.15x = 90,944.58 × 37,607.09
4. Step 4: Simplify right side
   65,897.15x = 3,420,160,550.35
5. Step 5: Solve for x
   x = 3,420,160,550.35/65,897.15
6. Step 6: Final answer
   x = 51,901.50