Finding the Fourth Proportional to 55,545.50, 83,324.78 and 19,510.89

Step by Step Solution

1. Step 1: Write the proportion equation
   55,545.50 : 83,324.78 = 19,510.89 : x
2. Step 2: Convert to fraction form
   55,545.50/83,324.78 = 19,510.89/x
3. Step 3: Cross multiply
   55,545.50x = 83,324.78 × 19,510.89
4. Step 4: Simplify right side
   55,545.50x = 1,625,740,519.30
5. Step 5: Solve for x
   x = 1,625,740,519.30/55,545.50
6. Step 6: Final answer
   x = 29,268.63