Finding the Fourth Proportional to 65,931.37, 90,979.88 and 37,253.52

Step by Step Solution

1. Step 1: Write the proportion equation
   65,931.37 : 90,979.88 = 37,253.52 : x
2. Step 2: Convert to fraction form
   65,931.37/90,979.88 = 37,253.52/x
3. Step 3: Cross multiply
   65,931.37x = 90,979.88 × 37,253.52
4. Step 4: Simplify right side
   65,931.37x = 3,389,320,592.91
5. Step 5: Solve for x
   x = 3,389,320,592.91/65,931.37
6. Step 6: Final answer
   x = 51,406.80