Finding the Fourth Proportional to 82,089.54, 123,134.37 and 19,760.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,089.54 : 123,134.37 = 19,760.10 : x
2. Step 2: Convert to fraction form
   82,089.54/123,134.37 = 19,760.10/x
3. Step 3: Cross multiply
   82,089.54x = 123,134.37 × 19,760.10
4. Step 4: Simplify right side
   82,089.54x = 2,433,147,464.64
5. Step 5: Solve for x
   x = 2,433,147,464.64/82,089.54
6. Step 6: Final answer
   x = 29,640.16