Finding the Fourth Proportional to 65,559.78, 90,467.69 and 37,260

Step by Step Solution

1. Step 1: Write the proportion equation
   65,559.78 : 90,467.69 = 37,260 : x
2. Step 2: Convert to fraction form
   65,559.78/90,467.69 = 37,260/x
3. Step 3: Cross multiply
   65,559.78x = 90,467.69 × 37,260
4. Step 4: Simplify right side
   65,559.78x = 3,370,825,943.10
5. Step 5: Solve for x
   x = 3,370,825,943.10/65,559.78
6. Step 6: Final answer
   x = 51,416.07