Finding the Fourth Proportional to 65,808.98, 90,816.41 and 37,134.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,808.98 : 90,816.41 = 37,134.72 : x
2. Step 2: Convert to fraction form
   65,808.98/90,816.41 = 37,134.72/x
3. Step 3: Cross multiply
   65,808.98x = 90,816.41 × 37,134.72
4. Step 4: Simplify right side
   65,808.98x = 3,372,441,956.76
5. Step 5: Solve for x
   x = 3,372,441,956.76/65,808.98
6. Step 6: Final answer
   x = 51,245.92