Finding the Fourth Proportional to 65,693.35, 90,656.91 and 37,399

Step by Step Solution

1. Step 1: Write the proportion equation
   65,693.35 : 90,656.91 = 37,399 : x
2. Step 2: Convert to fraction form
   65,693.35/90,656.91 = 37,399/x
3. Step 3: Cross multiply
   65,693.35x = 90,656.91 × 37,399
4. Step 4: Simplify right side
   65,693.35x = 3,390,477,777.09
5. Step 5: Solve for x
   x = 3,390,477,777.09/65,693.35
6. Step 6: Final answer
   x = 51,610.67