Finding the Fourth Proportional to 51,755.72, 71,451.30 and 34,784.60

Step by Step Solution

1. Step 1: Write the proportion equation
   51,755.72 : 71,451.30 = 34,784.60 : x
2. Step 2: Convert to fraction form
   51,755.72/71,451.30 = 34,784.60/x
3. Step 3: Cross multiply
   51,755.72x = 71,451.30 × 34,784.60
4. Step 4: Simplify right side
   51,755.72x = 2,485,404,889.98
5. Step 5: Solve for x
   x = 2,485,404,889.98/51,755.72
6. Step 6: Final answer
   x = 48,021.84