Finding the Fourth Proportional to 51,435.96, 77,165.59 and 18,156.27

Step by Step Solution

1. Step 1: Write the proportion equation
   51,435.96 : 77,165.59 = 18,156.27 : x
2. Step 2: Convert to fraction form
   51,435.96/77,165.59 = 18,156.27/x
3. Step 3: Cross multiply
   51,435.96x = 77,165.59 × 18,156.27
4. Step 4: Simplify right side
   51,435.96x = 1,401,039,286.75
5. Step 5: Solve for x
   x = 1,401,039,286.75/51,435.96
6. Step 6: Final answer
   x = 27,238.52