Finding the Fourth Proportional to 30,473.22, 45,720.72 and 22,139.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,473.22 : 45,720.72 = 22,139.10 : x
2. Step 2: Convert to fraction form
   30,473.22/45,720.72 = 22,139.10/x
3. Step 3: Cross multiply
   30,473.22x = 45,720.72 × 22,139.10
4. Step 4: Simplify right side
   30,473.22x = 1,012,215,592.15
5. Step 5: Solve for x
   x = 1,012,215,592.15/30,473.22
6. Step 6: Final answer
   x = 33,216.56