Finding the Fourth Proportional to 51,256, 70,733.82 and 28,900

Step by Step Solution

1. Step 1: Write the proportion equation
   51,256 : 70,733.82 = 28,900 : x
2. Step 2: Convert to fraction form
   51,256/70,733.82 = 28,900/x
3. Step 3: Cross multiply
   51,256x = 70,733.82 × 28,900
4. Step 4: Simplify right side
   51,256x = 2,044,207,398.00
5. Step 5: Solve for x
   x = 2,044,207,398.00/51,256
6. Step 6: Final answer
   x = 39,882.30