Finding the Fourth Proportional to 65,700.66, 90,667 and 37,406.35

Step by Step Solution

1. Step 1: Write the proportion equation
   65,700.66 : 90,667 = 37,406.35 : x
2. Step 2: Convert to fraction form
   65,700.66/90,667 = 37,406.35/x
3. Step 3: Cross multiply
   65,700.66x = 90,667 × 37,406.35
4. Step 4: Simplify right side
   65,700.66x = 3,391,521,535.45
5. Step 5: Solve for x
   x = 3,391,521,535.45/65,700.66
6. Step 6: Final answer
   x = 51,620.81