Finding the Fourth Proportional to 65,784.69, 90,776.49 and 37,108.86

Step by Step Solution

1. Step 1: Write the proportion equation
   65,784.69 : 90,776.49 = 37,108.86 : x
2. Step 2: Convert to fraction form
   65,784.69/90,776.49 = 37,108.86/x
3. Step 3: Cross multiply
   65,784.69x = 90,776.49 × 37,108.86
4. Step 4: Simplify right side
   65,784.69x = 3,368,612,058.70
5. Step 5: Solve for x
   x = 3,368,612,058.70/65,784.69
6. Step 6: Final answer
   x = 51,206.63