Finding the Fourth Proportional to 42,288.89, 63,449.93 and 17,340.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,288.89 : 63,449.93 = 17,340.89 : x
2. Step 2: Convert to fraction form
   42,288.89/63,449.93 = 17,340.89/x
3. Step 3: Cross multiply
   42,288.89x = 63,449.93 × 17,340.89
4. Step 4: Simplify right side
   42,288.89x = 1,100,277,982.74
5. Step 5: Solve for x
   x = 1,100,277,982.74/42,288.89
6. Step 6: Final answer
   x = 26,018.14