Finding the Fourth Proportional to 82,327.04, 123,490.56 and 19,997.12

Step by Step Solution

1. Step 1: Write the proportion equation
   82,327.04 : 123,490.56 = 19,997.12 : x
2. Step 2: Convert to fraction form
   82,327.04/123,490.56 = 19,997.12/x
3. Step 3: Cross multiply
   82,327.04x = 123,490.56 × 19,997.12
4. Step 4: Simplify right side
   82,327.04x = 2,469,455,547.19
5. Step 5: Solve for x
   x = 2,469,455,547.19/82,327.04
6. Step 6: Final answer
   x = 29,995.68