Finding the Fourth Proportional to 65,790.21, 90,784.06 and 37,114.38

Step by Step Solution

1. Step 1: Write the proportion equation
   65,790.21 : 90,784.06 = 37,114.38 : x
2. Step 2: Convert to fraction form
   65,790.21/90,784.06 = 37,114.38/x
3. Step 3: Cross multiply
   65,790.21x = 90,784.06 × 37,114.38
4. Step 4: Simplify right side
   65,790.21x = 3,369,394,100.78
5. Step 5: Solve for x
   x = 3,369,394,100.78/65,790.21
6. Step 6: Final answer
   x = 51,214.22