Finding the Fourth Proportional to 53,442.82, 80,094.84 and 21,815.83

Step by Step Solution

1. Step 1: Write the proportion equation
   53,442.82 : 80,094.84 = 21,815.83 : x
2. Step 2: Convert to fraction form
   53,442.82/80,094.84 = 21,815.83/x
3. Step 3: Cross multiply
   53,442.82x = 80,094.84 × 21,815.83
4. Step 4: Simplify right side
   53,442.82x = 1,747,335,413.32
5. Step 5: Solve for x
   x = 1,747,335,413.32/53,442.82
6. Step 6: Final answer
   x = 32,695.42