Finding the Fourth Proportional to 65,321.60, 90,146.24 and 37,029.76

Step by Step Solution

1. Step 1: Write the proportion equation
   65,321.60 : 90,146.24 = 37,029.76 : x
2. Step 2: Convert to fraction form
   65,321.60/90,146.24 = 37,029.76/x
3. Step 3: Cross multiply
   65,321.60x = 90,146.24 × 37,029.76
4. Step 4: Simplify right side
   65,321.60x = 3,338,093,632.10
5. Step 5: Solve for x
   x = 3,338,093,632.10/65,321.60
6. Step 6: Final answer
   x = 51,102.45