Finding the Fourth Proportional to 52,942.54, 79,423.55 and 17,405.86

Step by Step Solution

1. Step 1: Write the proportion equation
   52,942.54 : 79,423.55 = 17,405.86 : x
2. Step 2: Convert to fraction form
   52,942.54/79,423.55 = 17,405.86/x
3. Step 3: Cross multiply
   52,942.54x = 79,423.55 × 17,405.86
4. Step 4: Simplify right side
   52,942.54x = 1,382,435,192.00
5. Step 5: Solve for x
   x = 1,382,435,192.00/52,942.54
6. Step 6: Final answer
   x = 26,111.99