Finding the Fourth Proportional to 45,242.37, 67,777.89 and 30,204.15

Step by Step Solution

1. Step 1: Write the proportion equation
   45,242.37 : 67,777.89 = 30,204.15 : x
2. Step 2: Convert to fraction form
   45,242.37/67,777.89 = 30,204.15/x
3. Step 3: Cross multiply
   45,242.37x = 67,777.89 × 30,204.15
4. Step 4: Simplify right side
   45,242.37x = 2,047,173,556.24
5. Step 5: Solve for x
   x = 2,047,173,556.24/45,242.37
6. Step 6: Final answer
   x = 45,249.03