Finding the Fourth Proportional to 82,126.54, 123,188.73 and 19,796.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,126.54 : 123,188.73 = 19,796.50 : x
2. Step 2: Convert to fraction form
   82,126.54/123,188.73 = 19,796.50/x
3. Step 3: Cross multiply
   82,126.54x = 123,188.73 × 19,796.50
4. Step 4: Simplify right side
   82,126.54x = 2,438,705,693.45
5. Step 5: Solve for x
   x = 2,438,705,693.45/82,126.54
6. Step 6: Final answer
   x = 29,694.49