Finding the Fourth Proportional to 82,289.34, 123,434.06 and 19,959.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82,289.34 : 123,434.06 = 19,959.84 : x
2. Step 2: Convert to fraction form
   82,289.34/123,434.06 = 19,959.84/x
3. Step 3: Cross multiply
   82,289.34x = 123,434.06 × 19,959.84
4. Step 4: Simplify right side
   82,289.34x = 2,463,724,088.15
5. Step 5: Solve for x
   x = 2,463,724,088.15/82,289.34
6. Step 6: Final answer
   x = 29,939.77