Finding the Fourth Proportional to 81,603.95, 122,391.83 and 21,632.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,603.95 : 122,391.83 = 21,632.82 : x
2. Step 2: Convert to fraction form
   81,603.95/122,391.83 = 21,632.82/x
3. Step 3: Cross multiply
   81,603.95x = 122,391.83 × 21,632.82
4. Step 4: Simplify right side
   81,603.95x = 2,647,680,427.86
5. Step 5: Solve for x
   x = 2,647,680,427.86/81,603.95
6. Step 6: Final answer
   x = 32,445.49