Finding the Fourth Proportional to 56,897.76, 78,545.48 and 33,019.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,897.76 : 78,545.48 = 33,019.82 : x
2. Step 2: Convert to fraction form
   56,897.76/78,545.48 = 33,019.82/x
3. Step 3: Cross multiply
   56,897.76x = 78,545.48 × 33,019.82
4. Step 4: Simplify right side
   56,897.76x = 2,593,557,890.33
5. Step 5: Solve for x
   x = 2,593,557,890.33/56,897.76
6. Step 6: Final answer
   x = 45,582.77