Finding the Fourth Proportional to 56,077.36, 83,947.98 and 54,083.48

Step by Step Solution

1. Step 1: Write the proportion equation
   56,077.36 : 83,947.98 = 54,083.48 : x
2. Step 2: Convert to fraction form
   56,077.36/83,947.98 = 54,083.48/x
3. Step 3: Cross multiply
   56,077.36x = 83,947.98 × 54,083.48
4. Step 4: Simplify right side
   56,077.36x = 4,540,198,897.37
5. Step 5: Solve for x
   x = 4,540,198,897.37/56,077.36
6. Step 6: Final answer
   x = 80,963.14