Finding the Fourth Proportional to 65,706.12, 90,651.96 and 37,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,706.12 : 90,651.96 = 37,404.72 : x
2. Step 2: Convert to fraction form
   65,706.12/90,651.96 = 37,404.72/x
3. Step 3: Cross multiply
   65,706.12x = 90,651.96 × 37,404.72
4. Step 4: Simplify right side
   65,706.12x = 3,390,811,181.25
5. Step 5: Solve for x
   x = 3,390,811,181.25/65,706.12
6. Step 6: Final answer
   x = 51,605.71