Finding the Fourth Proportional to 65,493.50, 90,395.61 and 41,615.51

Step by Step Solution

1. Step 1: Write the proportion equation
   65,493.50 : 90,395.61 = 41,615.51 : x
2. Step 2: Convert to fraction form
   65,493.50/90,395.61 = 41,615.51/x
3. Step 3: Cross multiply
   65,493.50x = 90,395.61 × 41,615.51
4. Step 4: Simplify right side
   65,493.50x = 3,761,859,411.91
5. Step 5: Solve for x
   x = 3,761,859,411.91/65,493.50
6. Step 6: Final answer
   x = 57,438.67