Finding the Fourth Proportional to 42,034.52, 62,920.55 and 30,168.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,034.52 : 62,920.55 = 30,168.22 : x
2. Step 2: Convert to fraction form
   42,034.52/62,920.55 = 30,168.22/x
3. Step 3: Cross multiply
   42,034.52x = 62,920.55 × 30,168.22
4. Step 4: Simplify right side
   42,034.52x = 1,898,200,913.04
5. Step 5: Solve for x
   x = 1,898,200,913.04/42,034.52
6. Step 6: Final answer
   x = 45,158.15