Finding the Fourth Proportional to 42,762.78, 58,998.18 and 27,674.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,762.78 : 58,998.18 = 27,674.50 : x
2. Step 2: Convert to fraction form
   42,762.78/58,998.18 = 27,674.50/x
3. Step 3: Cross multiply
   42,762.78x = 58,998.18 × 27,674.50
4. Step 4: Simplify right side
   42,762.78x = 1,632,745,132.41
5. Step 5: Solve for x
   x = 1,632,745,132.41/42,762.78
6. Step 6: Final answer
   x = 38,181.45