Finding the Fourth Proportional to 51,259.76, 76,900.04 and 21,677.52

Step by Step Solution

1. Step 1: Write the proportion equation
   51,259.76 : 76,900.04 = 21,677.52 : x
2. Step 2: Convert to fraction form
   51,259.76/76,900.04 = 21,677.52/x
3. Step 3: Cross multiply
   51,259.76x = 76,900.04 × 21,677.52
4. Step 4: Simplify right side
   51,259.76x = 1,667,002,155.10
5. Step 5: Solve for x
   x = 1,667,002,155.10/51,259.76
6. Step 6: Final answer
   x = 32,520.68