Finding the Fourth Proportional to 51,061.40, 76,545.41 and 21,481.32

Step by Step Solution

1. Step 1: Write the proportion equation
   51,061.40 : 76,545.41 = 21,481.32 : x
2. Step 2: Convert to fraction form
   51,061.40/76,545.41 = 21,481.32/x
3. Step 3: Cross multiply
   51,061.40x = 76,545.41 × 21,481.32
4. Step 4: Simplify right side
   51,061.40x = 1,644,296,339.33
5. Step 5: Solve for x
   x = 1,644,296,339.33/51,061.40
6. Step 6: Final answer
   x = 32,202.34