Finding the Fourth Proportional to 65,404.05, 90,259.31 and 36,726

Step by Step Solution

1. Step 1: Write the proportion equation
   65,404.05 : 90,259.31 = 36,726 : x
2. Step 2: Convert to fraction form
   65,404.05/90,259.31 = 36,726/x
3. Step 3: Cross multiply
   65,404.05x = 90,259.31 × 36,726
4. Step 4: Simplify right side
   65,404.05x = 3,314,863,419.06
5. Step 5: Solve for x
   x = 3,314,863,419.06/65,404.05
6. Step 6: Final answer
   x = 50,682.85