Finding the Fourth Proportional to 47,313.50, 65,271.06 and 31,408.54

Step by Step Solution

1. Step 1: Write the proportion equation
   47,313.50 : 65,271.06 = 31,408.54 : x
2. Step 2: Convert to fraction form
   47,313.50/65,271.06 = 31,408.54/x
3. Step 3: Cross multiply
   47,313.50x = 65,271.06 × 31,408.54
4. Step 4: Simplify right side
   47,313.50x = 2,050,068,535.67
5. Step 5: Solve for x
   x = 2,050,068,535.67/47,313.50
6. Step 6: Final answer
   x = 43,329.47