Finding the Fourth Proportional to 82,301.06, 123,451.90 and 19,971.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,301.06 : 123,451.90 = 19,971.56 : x
2. Step 2: Convert to fraction form
   82,301.06/123,451.90 = 19,971.56/x
3. Step 3: Cross multiply
   82,301.06x = 123,451.90 × 19,971.56
4. Step 4: Simplify right side
   82,301.06x = 2,465,527,286.66
5. Step 5: Solve for x
   x = 2,465,527,286.66/82,301.06
6. Step 6: Final answer
   x = 29,957.42