Finding the Fourth Proportional to 52,839.72, 72,900.13 and 30,162.35

Step by Step Solution

1. Step 1: Write the proportion equation
   52,839.72 : 72,900.13 = 30,162.35 : x
2. Step 2: Convert to fraction form
   52,839.72/72,900.13 = 30,162.35/x
3. Step 3: Cross multiply
   52,839.72x = 72,900.13 × 30,162.35
4. Step 4: Simplify right side
   52,839.72x = 2,198,839,236.11
5. Step 5: Solve for x
   x = 2,198,839,236.11/52,839.72
6. Step 6: Final answer
   x = 41,613.38