Finding the Fourth Proportional to 65,790.18, 90,718.99 and 41,886.27

Step by Step Solution

1. Step 1: Write the proportion equation
   65,790.18 : 90,718.99 = 41,886.27 : x
2. Step 2: Convert to fraction form
   65,790.18/90,718.99 = 41,886.27/x
3. Step 3: Cross multiply
   65,790.18x = 90,718.99 × 41,886.27
4. Step 4: Simplify right side
   65,790.18x = 3,799,880,004.55
5. Step 5: Solve for x
   x = 3,799,880,004.55/65,790.18
6. Step 6: Final answer
   x = 57,757.56