Finding the Fourth Proportional to 42,290.08, 58,360.28 and 23,171.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,290.08 : 58,360.28 = 23,171.06 : x
2. Step 2: Convert to fraction form
   42,290.08/58,360.28 = 23,171.06/x
3. Step 3: Cross multiply
   42,290.08x = 58,360.28 × 23,171.06
4. Step 4: Simplify right side
   42,290.08x = 1,352,269,579.54
5. Step 5: Solve for x
   x = 1,352,269,579.54/42,290.08
6. Step 6: Final answer
   x = 31,976.05