Finding the Fourth Proportional to 51,456, 71,009.76 and 29,100.48

Step by Step Solution

1. Step 1: Write the proportion equation
   51,456 : 71,009.76 = 29,100.48 : x
2. Step 2: Convert to fraction form
   51,456/71,009.76 = 29,100.48/x
3. Step 3: Cross multiply
   51,456x = 71,009.76 × 29,100.48
4. Step 4: Simplify right side
   51,456x = 2,066,418,100.68
5. Step 5: Solve for x
   x = 2,066,418,100.68/51,456
6. Step 6: Final answer
   x = 40,158.93