Finding the Fourth Proportional to 42,112.05, 63,164.43 and 17,154.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,112.05 : 63,164.43 = 17,154.74 : x
2. Step 2: Convert to fraction form
   42,112.05/63,164.43 = 17,154.74/x
3. Step 3: Cross multiply
   42,112.05x = 63,164.43 × 17,154.74
4. Step 4: Simplify right side
   42,112.05x = 1,083,569,058.08
5. Step 5: Solve for x
   x = 1,083,569,058.08/42,112.05
6. Step 6: Final answer
   x = 25,730.62