Finding the Fourth Proportional to 65,488.50, 90,388.71 and 41,610.51

Step by Step Solution

1. Step 1: Write the proportion equation
   65,488.50 : 90,388.71 = 41,610.51 : x
2. Step 2: Convert to fraction form
   65,488.50/90,388.71 = 41,610.51/x
3. Step 3: Cross multiply
   65,488.50x = 90,388.71 × 41,610.51
4. Step 4: Simplify right side
   65,488.50x = 3,761,120,321.34
5. Step 5: Solve for x
   x = 3,761,120,321.34/65,488.50
6. Step 6: Final answer
   x = 57,431.77