Finding the Fourth Proportional to 82,834.64, 124,255.80 and 23,678.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,834.64 : 124,255.80 = 23,678.72 : x
2. Step 2: Convert to fraction form
   82,834.64/124,255.80 = 23,678.72/x
3. Step 3: Cross multiply
   82,834.64x = 124,255.80 × 23,678.72
4. Step 4: Simplify right side
   82,834.64x = 2,942,218,296.58
5. Step 5: Solve for x
   x = 2,942,218,296.58/82,834.64
6. Step 6: Final answer
   x = 35,519.18