Finding the Fourth Proportional to 72,215.52, 108,325.50 and 19,626.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,215.52 : 108,325.50 = 19,626.12 : x
2. Step 2: Convert to fraction form
   72,215.52/108,325.50 = 19,626.12/x
3. Step 3: Cross multiply
   72,215.52x = 108,325.50 × 19,626.12
4. Step 4: Simplify right side
   72,215.52x = 2,126,009,262.06
5. Step 5: Solve for x
   x = 2,126,009,262.06/72,215.52
6. Step 6: Final answer
   x = 29,439.78