Finding the Fourth Proportional to 56,825.82, 85,129.56 and 31,789.94

Step by Step Solution

1. Step 1: Write the proportion equation
   56,825.82 : 85,129.56 = 31,789.94 : x
2. Step 2: Convert to fraction form
   56,825.82/85,129.56 = 31,789.94/x
3. Step 3: Cross multiply
   56,825.82x = 85,129.56 × 31,789.94
4. Step 4: Simplify right side
   56,825.82x = 2,706,263,178.98
5. Step 5: Solve for x
   x = 2,706,263,178.98/56,825.82
6. Step 6: Final answer
   x = 47,623.83