Finding the Fourth Proportional to 47,137.76, 65,066.88 and 31,227.34

Step by Step Solution

1. Step 1: Write the proportion equation
   47,137.76 : 65,066.88 = 31,227.34 : x
2. Step 2: Convert to fraction form
   47,137.76/65,066.88 = 31,227.34/x
3. Step 3: Cross multiply
   47,137.76x = 65,066.88 × 31,227.34
4. Step 4: Simplify right side
   47,137.76x = 2,031,865,584.50
5. Step 5: Solve for x
   x = 2,031,865,584.50/47,137.76
6. Step 6: Final answer
   x = 43,104.84