Finding the Fourth Proportional to 42,734.97, 64,102.17 and 17,434.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,734.97 : 64,102.17 = 17,434.38 : x
2. Step 2: Convert to fraction form
   42,734.97/64,102.17 = 17,434.38/x
3. Step 3: Cross multiply
   42,734.97x = 64,102.17 × 17,434.38
4. Step 4: Simplify right side
   42,734.97x = 1,117,581,590.60
5. Step 5: Solve for x
   x = 1,117,581,590.60/42,734.97
6. Step 6: Final answer
   x = 26,151.45