Finding the Fourth Proportional to 57,176.81, 78,902.82 and 31,682.96

Step by Step Solution

1. Step 1: Write the proportion equation
   57,176.81 : 78,902.82 = 31,682.96 : x
2. Step 2: Convert to fraction form
   57,176.81/78,902.82 = 31,682.96/x
3. Step 3: Cross multiply
   57,176.81x = 78,902.82 × 31,682.96
4. Step 4: Simplify right side
   57,176.81x = 2,499,874,889.95
5. Step 5: Solve for x
   x = 2,499,874,889.95/57,176.81
6. Step 6: Final answer
   x = 43,721.83