Finding the Fourth Proportional to 42,306.48, 63,460.20 and 17,340.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,306.48 : 63,460.20 = 17,340.12 : x
2. Step 2: Convert to fraction form
   42,306.48/63,460.20 = 17,340.12/x
3. Step 3: Cross multiply
   42,306.48x = 63,460.20 × 17,340.12
4. Step 4: Simplify right side
   42,306.48x = 1,100,407,483.22
5. Step 5: Solve for x
   x = 1,100,407,483.22/42,306.48
6. Step 6: Final answer
   x = 26,010.38