Finding the Fourth Proportional to 51,886.48, 71,608.73 and 31,756.77

Step by Step Solution

1. Step 1: Write the proportion equation
   51,886.48 : 71,608.73 = 31,756.77 : x
2. Step 2: Convert to fraction form
   51,886.48/71,608.73 = 31,756.77/x
3. Step 3: Cross multiply
   51,886.48x = 71,608.73 × 31,756.77
4. Step 4: Simplify right side
   51,886.48x = 2,274,061,451.77
5. Step 5: Solve for x
   x = 2,274,061,451.77/51,886.48
6. Step 6: Final answer
   x = 43,827.63