Finding the Fourth Proportional to 65,511.69, 90,405.68 and 37,217.38

Step by Step Solution

1. Step 1: Write the proportion equation
   65,511.69 : 90,405.68 = 37,217.38 : x
2. Step 2: Convert to fraction form
   65,511.69/90,405.68 = 37,217.38/x
3. Step 3: Cross multiply
   65,511.69x = 90,405.68 × 37,217.38
4. Step 4: Simplify right side
   65,511.69x = 3,364,662,546.72
5. Step 5: Solve for x
   x = 3,364,662,546.72/65,511.69
6. Step 6: Final answer
   x = 51,359.73