Finding the Fourth Proportional to 30,777.72, 42,483.78 and 18,034.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,777.72 : 42,483.78 = 18,034.98 : x
2. Step 2: Convert to fraction form
   30,777.72/42,483.78 = 18,034.98/x
3. Step 3: Cross multiply
   30,777.72x = 42,483.78 × 18,034.98
4. Step 4: Simplify right side
   30,777.72x = 766,194,122.62
5. Step 5: Solve for x
   x = 766,194,122.62/30,777.72
6. Step 6: Final answer
   x = 24,894.44