Finding the Fourth Proportional to 65,674.12, 90,607.80 and 37,372.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,674.12 : 90,607.80 = 37,372.72 : x
2. Step 2: Convert to fraction form
   65,674.12/90,607.80 = 37,372.72/x
3. Step 3: Cross multiply
   65,674.12x = 90,607.80 × 37,372.72
4. Step 4: Simplify right side
   65,674.12x = 3,386,259,939.22
5. Step 5: Solve for x
   x = 3,386,259,939.22/65,674.12
6. Step 6: Final answer
   x = 51,561.56