Finding the Fourth Proportional to 65,707.35, 90,671.90 and 37,412.79

Step by Step Solution

1. Step 1: Write the proportion equation
   65,707.35 : 90,671.90 = 37,412.79 : x
2. Step 2: Convert to fraction form
   65,707.35/90,671.90 = 37,412.79/x
3. Step 3: Cross multiply
   65,707.35x = 90,671.90 × 37,412.79
4. Step 4: Simplify right side
   65,707.35x = 3,392,288,566.54
5. Step 5: Solve for x
   x = 3,392,288,566.54/65,707.35
6. Step 6: Final answer
   x = 51,627.23