Finding the Fourth Proportional to 42,204.22, 58,189.10 and 30,864.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,204.22 : 58,189.10 = 30,864.62 : x
2. Step 2: Convert to fraction form
   42,204.22/58,189.10 = 30,864.62/x
3. Step 3: Cross multiply
   42,204.22x = 58,189.10 × 30,864.62
4. Step 4: Simplify right side
   42,204.22x = 1,795,984,459.64
5. Step 5: Solve for x
   x = 1,795,984,459.64/42,204.22
6. Step 6: Final answer
   x = 42,554.62