Finding the Fourth Proportional to 65,731.50, 90,709.47 and 37,453.59

Step by Step Solution

1. Step 1: Write the proportion equation
   65,731.50 : 90,709.47 = 37,453.59 : x
2. Step 2: Convert to fraction form
   65,731.50/90,709.47 = 37,453.59/x
3. Step 3: Cross multiply
   65,731.50x = 90,709.47 × 37,453.59
4. Step 4: Simplify right side
   65,731.50x = 3,397,395,298.50
5. Step 5: Solve for x
   x = 3,397,395,298.50/65,731.50
6. Step 6: Final answer
   x = 51,685.95