Finding the Fourth Proportional to 52,383.72, 72,283.68 and 30,872.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,383.72 : 72,283.68 = 30,872.12 : x
2. Step 2: Convert to fraction form
   52,383.72/72,283.68 = 30,872.12/x
3. Step 3: Cross multiply
   52,383.72x = 72,283.68 × 30,872.12
4. Step 4: Simplify right side
   52,383.72x = 2,231,550,443.00
5. Step 5: Solve for x
   x = 2,231,550,443.00/52,383.72
6. Step 6: Final answer
   x = 42,600.08