Finding the Fourth Proportional to 51,200.76, 76,789.62 and 18,368.76

Step by Step Solution

1. Step 1: Write the proportion equation
   51,200.76 : 76,789.62 = 18,368.76 : x
2. Step 2: Convert to fraction form
   51,200.76/76,789.62 = 18,368.76/x
3. Step 3: Cross multiply
   51,200.76x = 76,789.62 × 18,368.76
4. Step 4: Simplify right side
   51,200.76x = 1,410,530,100.27
5. Step 5: Solve for x
   x = 1,410,530,100.27/51,200.76
6. Step 6: Final answer
   x = 27,549.01