Finding the Fourth Proportional to 47,680.77, 65,809.92 and 37,311.99

Step by Step Solution

1. Step 1: Write the proportion equation
   47,680.77 : 65,809.92 = 37,311.99 : x
2. Step 2: Convert to fraction form
   47,680.77/65,809.92 = 37,311.99/x
3. Step 3: Cross multiply
   47,680.77x = 65,809.92 × 37,311.99
4. Step 4: Simplify right side
   47,680.77x = 2,455,499,076.94
5. Step 5: Solve for x
   x = 2,455,499,076.94/47,680.77
6. Step 6: Final answer
   x = 51,498.73