Finding the Fourth Proportional to 52,193, 72,027.60 and 30,972.44

Step by Step Solution

1. Step 1: Write the proportion equation
   52,193 : 72,027.60 = 30,972.44 : x
2. Step 2: Convert to fraction form
   52,193/72,027.60 = 30,972.44/x
3. Step 3: Cross multiply
   52,193x = 72,027.60 × 30,972.44
4. Step 4: Simplify right side
   52,193x = 2,230,870,519.34
5. Step 5: Solve for x
   x = 2,230,870,519.34/52,193
6. Step 6: Final answer
   x = 42,742.71