Finding the Fourth Proportional to 51,627, 71,243.88 and 28,964.10

Step by Step Solution

1. Step 1: Write the proportion equation
   51,627 : 71,243.88 = 28,964.10 : x
2. Step 2: Convert to fraction form
   51,627/71,243.88 = 28,964.10/x
3. Step 3: Cross multiply
   51,627x = 71,243.88 × 28,964.10
4. Step 4: Simplify right side
   51,627x = 2,063,514,864.71
5. Step 5: Solve for x
   x = 2,063,514,864.71/51,627
6. Step 6: Final answer
   x = 39,969.68