Finding the Fourth Proportional to 51,024.72, 70,414.05 and 28,362.99

Step by Step Solution

1. Step 1: Write the proportion equation
   51,024.72 : 70,414.05 = 28,362.99 : x
2. Step 2: Convert to fraction form
   51,024.72/70,414.05 = 28,362.99/x
3. Step 3: Cross multiply
   51,024.72x = 70,414.05 × 28,362.99
4. Step 4: Simplify right side
   51,024.72x = 1,997,152,996.01
5. Step 5: Solve for x
   x = 1,997,152,996.01/51,024.72
6. Step 6: Final answer
   x = 39,140.89