Finding the Fourth Proportional to 81,602.95, 122,390.33 and 21,631.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,602.95 : 122,390.33 = 21,631.82 : x
2. Step 2: Convert to fraction form
   81,602.95/122,390.33 = 21,631.82/x
3. Step 3: Cross multiply
   81,602.95x = 122,390.33 × 21,631.82
4. Step 4: Simplify right side
   81,602.95x = 2,647,525,820.01
5. Step 5: Solve for x
   x = 2,647,525,820.01/81,602.95
6. Step 6: Final answer
   x = 32,444.00