Finding the Fourth Proportional to 51,451.14, 77,185.89 and 18,190.52

Step by Step Solution

1. Step 1: Write the proportion equation
   51,451.14 : 77,185.89 = 18,190.52 : x
2. Step 2: Convert to fraction form
   51,451.14/77,185.89 = 18,190.52/x
3. Step 3: Cross multiply
   51,451.14x = 77,185.89 × 18,190.52
4. Step 4: Simplify right side
   51,451.14x = 1,404,051,089.83
5. Step 5: Solve for x
   x = 1,404,051,089.83/51,451.14
6. Step 6: Final answer
   x = 27,289.02