Finding the Fourth Proportional to 82,788.61, 124,108.04 and 30,185.79

Step by Step Solution

1. Step 1: Write the proportion equation
   82,788.61 : 124,108.04 = 30,185.79 : x
2. Step 2: Convert to fraction form
   82,788.61/124,108.04 = 30,185.79/x
3. Step 3: Cross multiply
   82,788.61x = 124,108.04 × 30,185.79
4. Step 4: Simplify right side
   82,788.61x = 3,746,299,350.15
5. Step 5: Solve for x
   x = 3,746,299,350.15/82,788.61
6. Step 6: Final answer
   x = 45,251.39