Finding the Fourth Proportional to 82,168.43, 123,306.48 and 28,859.00

Step by Step Solution

1. Step 1: Write the proportion equation
   82,168.43 : 123,306.48 = 28,859.00 : x
2. Step 2: Convert to fraction form
   82,168.43/123,306.48 = 28,859.00/x
3. Step 3: Cross multiply
   82,168.43x = 123,306.48 × 28,859.00
4. Step 4: Simplify right side
   82,168.43x = 3,558,501,089.79
5. Step 5: Solve for x
   x = 3,558,501,089.79/82,168.43
6. Step 6: Final answer
   x = 43,307.40