Finding the Fourth Proportional to 51,810.78, 71,498.52 and 29,454.78

Step by Step Solution

1. Step 1: Write the proportion equation
   51,810.78 : 71,498.52 = 29,454.78 : x
2. Step 2: Convert to fraction form
   51,810.78/71,498.52 = 29,454.78/x
3. Step 3: Cross multiply
   51,810.78x = 71,498.52 × 29,454.78
4. Step 4: Simplify right side
   51,810.78x = 2,105,973,176.93
5. Step 5: Solve for x
   x = 2,105,973,176.93/51,810.78
6. Step 6: Final answer
   x = 40,647.39