Finding the Fourth Proportional to 42,209.15, 58,181.63 and 33,242.45

Step by Step Solution

1. Step 1: Write the proportion equation
   42,209.15 : 58,181.63 = 33,242.45 : x
2. Step 2: Convert to fraction form
   42,209.15/58,181.63 = 33,242.45/x
3. Step 3: Cross multiply
   42,209.15x = 58,181.63 × 33,242.45
4. Step 4: Simplify right side
   42,209.15x = 1,934,099,469.07
5. Step 5: Solve for x
   x = 1,934,099,469.07/42,209.15
6. Step 6: Final answer
   x = 45,821.81