Finding the Fourth Proportional to 31,401.75, 47,093.25 and 10,337.91

Step by Step Solution

1. Step 1: Write the proportion equation
   31,401.75 : 47,093.25 = 10,337.91 : x
2. Step 2: Convert to fraction form
   31,401.75/47,093.25 = 10,337.91/x
3. Step 3: Cross multiply
   31,401.75x = 47,093.25 × 10,337.91
4. Step 4: Simplify right side
   31,401.75x = 486,845,780.11
5. Step 5: Solve for x
   x = 486,845,780.11/31,401.75
6. Step 6: Final answer
   x = 15,503.78