Finding the Fourth Proportional to 42,150.97, 58,168.73 and 23,031.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,150.97 : 58,168.73 = 23,031.32 : x
2. Step 2: Convert to fraction form
   42,150.97/58,168.73 = 23,031.32/x
3. Step 3: Cross multiply
   42,150.97x = 58,168.73 × 23,031.32
4. Step 4: Simplify right side
   42,150.97x = 1,339,702,728.56
5. Step 5: Solve for x
   x = 1,339,702,728.56/42,150.97
6. Step 6: Final answer
   x = 31,783.44