Finding the Fourth Proportional to 65,819.37, 90,830.73 and 37,145.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,819.37 : 90,830.73 = 37,145.10 : x
2. Step 2: Convert to fraction form
   65,819.37/90,830.73 = 37,145.10/x
3. Step 3: Cross multiply
   65,819.37x = 90,830.73 × 37,145.10
4. Step 4: Simplify right side
   65,819.37x = 3,373,916,548.92
5. Step 5: Solve for x
   x = 3,373,916,548.92/65,819.37
6. Step 6: Final answer
   x = 51,260.24