Finding the Fourth Proportional to 42,032.70, 58,003.37 and 22,912.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,032.70 : 58,003.37 = 22,912.05 : x
2. Step 2: Convert to fraction form
   42,032.70/58,003.37 = 22,912.05/x
3. Step 3: Cross multiply
   42,032.70x = 58,003.37 × 22,912.05
4. Step 4: Simplify right side
   42,032.70x = 1,328,976,302.48
5. Step 5: Solve for x
   x = 1,328,976,302.48/42,032.70
6. Step 6: Final answer
   x = 31,617.68