Finding the Fourth Proportional to 65,556.09, 90,466.56 and 37,259.91

Step by Step Solution

1. Step 1: Write the proportion equation
   65,556.09 : 90,466.56 = 37,259.91 : x
2. Step 2: Convert to fraction form
   65,556.09/90,466.56 = 37,259.91/x
3. Step 3: Cross multiply
   65,556.09x = 90,466.56 × 37,259.91
4. Step 4: Simplify right side
   65,556.09x = 3,370,775,883.61
5. Step 5: Solve for x
   x = 3,370,775,883.61/65,556.09
6. Step 6: Final answer
   x = 51,418.20