Finding the Fourth Proportional to 42,458.69, 63,685.74 and 17,498.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,458.69 : 63,685.74 = 17,498.27 : x
2. Step 2: Convert to fraction form
   42,458.69/63,685.74 = 17,498.27/x
3. Step 3: Cross multiply
   42,458.69x = 63,685.74 × 17,498.27
4. Step 4: Simplify right side
   42,458.69x = 1,114,390,273.67
5. Step 5: Solve for x
   x = 1,114,390,273.67/42,458.69
6. Step 6: Final answer
   x = 26,246.46