Finding the Fourth Proportional to 82,998.88, 124,498.26 and 30,412.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,998.88 : 124,498.26 = 30,412.48 : x
2. Step 2: Convert to fraction form
   82,998.88/124,498.26 = 30,412.48/x
3. Step 3: Cross multiply
   82,998.88x = 124,498.26 × 30,412.48
4. Step 4: Simplify right side
   82,998.88x = 3,786,300,842.28
5. Step 5: Solve for x
   x = 3,786,300,842.28/82,998.88
6. Step 6: Final answer
   x = 45,618.70