Finding the Fourth Proportional to 42,083.43, 63,133.74 and 17,123.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,083.43 : 63,133.74 = 17,123.28 : x
2. Step 2: Convert to fraction form
   42,083.43/63,133.74 = 17,123.28/x
3. Step 3: Cross multiply
   42,083.43x = 63,133.74 × 17,123.28
4. Step 4: Simplify right side
   42,083.43x = 1,081,056,707.47
5. Step 5: Solve for x
   x = 1,081,056,707.47/42,083.43
6. Step 6: Final answer
   x = 25,688.42