Finding the Fourth Proportional to 82,921.01, 124,381.53 and 30,301.79

Step by Step Solution

1. Step 1: Write the proportion equation
   82,921.01 : 124,381.53 = 30,301.79 : x
2. Step 2: Convert to fraction form
   82,921.01/124,381.53 = 30,301.79/x
3. Step 3: Cross multiply
   82,921.01x = 124,381.53 × 30,301.79
4. Step 4: Simplify right side
   82,921.01x = 3,768,982,380.03
5. Step 5: Solve for x
   x = 3,768,982,380.03/82,921.01
6. Step 6: Final answer
   x = 45,452.69