Finding the Fourth Proportional to 47,615.22, 65,719.89 and 30,819.06

Step by Step Solution

1. Step 1: Write the proportion equation
   47,615.22 : 65,719.89 = 30,819.06 : x
2. Step 2: Convert to fraction form
   47,615.22/65,719.89 = 30,819.06/x
3. Step 3: Cross multiply
   47,615.22x = 65,719.89 × 30,819.06
4. Step 4: Simplify right side
   47,615.22x = 2,025,425,233.10
5. Step 5: Solve for x
   x = 2,025,425,233.10/47,615.22
6. Step 6: Final answer
   x = 42,537.35