Finding the Fourth Proportional to 51,467.33, 71,008.72 and 28,802.72

Step by Step Solution

1. Step 1: Write the proportion equation
   51,467.33 : 71,008.72 = 28,802.72 : x
2. Step 2: Convert to fraction form
   51,467.33/71,008.72 = 28,802.72/x
3. Step 3: Cross multiply
   51,467.33x = 71,008.72 × 28,802.72
4. Step 4: Simplify right side
   51,467.33x = 2,045,243,960.68
5. Step 5: Solve for x
   x = 2,045,243,960.68/51,467.33
6. Step 6: Final answer
   x = 39,738.69