Finding the Fourth Proportional to 47,581.15, 65,556.25 and 31,419.76

Step by Step Solution

1. Step 1: Write the proportion equation
   47,581.15 : 65,556.25 = 31,419.76 : x
2. Step 2: Convert to fraction form
   47,581.15/65,556.25 = 31,419.76/x
3. Step 3: Cross multiply
   47,581.15x = 65,556.25 × 31,419.76
4. Step 4: Simplify right side
   47,581.15x = 2,059,761,641.50
5. Step 5: Solve for x
   x = 2,059,761,641.50/47,581.15
6. Step 6: Final answer
   x = 43,289.45