Finding the Fourth Proportional to 52,958.63, 79,429.18 and 17,420.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,958.63 : 79,429.18 = 17,420.38 : x
2. Step 2: Convert to fraction form
   52,958.63/79,429.18 = 17,420.38/x
3. Step 3: Cross multiply
   52,958.63x = 79,429.18 × 17,420.38
4. Step 4: Simplify right side
   52,958.63x = 1,383,686,498.69
5. Step 5: Solve for x
   x = 1,383,686,498.69/52,958.63
6. Step 6: Final answer
   x = 26,127.69