Finding the Fourth Proportional to 82,674.86, 124,067.43 and 53,113.91

Step by Step Solution

1. Step 1: Write the proportion equation
   82,674.86 : 124,067.43 = 53,113.91 : x
2. Step 2: Convert to fraction form
   82,674.86/124,067.43 = 53,113.91/x
3. Step 3: Cross multiply
   82,674.86x = 124,067.43 × 53,113.91
4. Step 4: Simplify right side
   82,674.86x = 6,589,705,690.61
5. Step 5: Solve for x
   x = 6,589,705,690.61/82,674.86
6. Step 6: Final answer
   x = 79,706.29