Finding the Fourth Proportional to 71,990.50, 108,003.30 and 22,742.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,990.50 : 108,003.30 = 22,742.50 : x
2. Step 2: Convert to fraction form
   71,990.50/108,003.30 = 22,742.50/x
3. Step 3: Cross multiply
   71,990.50x = 108,003.30 × 22,742.50
4. Step 4: Simplify right side
   71,990.50x = 2,456,265,050.25
5. Step 5: Solve for x
   x = 2,456,265,050.25/71,990.50
6. Step 6: Final answer
   x = 34,119.29