Finding the Fourth Proportional to 52,815.63, 72,885.56 and 30,459.63

Step by Step Solution

1. Step 1: Write the proportion equation
   52,815.63 : 72,885.56 = 30,459.63 : x
2. Step 2: Convert to fraction form
   52,815.63/72,885.56 = 30,459.63/x
3. Step 3: Cross multiply
   52,815.63x = 72,885.56 × 30,459.63
4. Step 4: Simplify right side
   52,815.63x = 2,220,067,189.94
5. Step 5: Solve for x
   x = 2,220,067,189.94/52,815.63
6. Step 6: Final answer
   x = 42,034.28