Finding the Fourth Proportional to 65,682.25, 90,641.61 and 37,387.94

Step by Step Solution

1. Step 1: Write the proportion equation
   65,682.25 : 90,641.61 = 37,387.94 : x
2. Step 2: Convert to fraction form
   65,682.25/90,641.61 = 37,387.94/x
3. Step 3: Cross multiply
   65,682.25x = 90,641.61 × 37,387.94
4. Step 4: Simplify right side
   65,682.25x = 3,388,903,076.18
5. Step 5: Solve for x
   x = 3,388,903,076.18/65,682.25
6. Step 6: Final answer
   x = 51,595.42