Finding the Fourth Proportional to 58,546.53, 80,793.72 and 31,688.81

Step by Step Solution

1. Step 1: Write the proportion equation
   58,546.53 : 80,793.72 = 31,688.81 : x
2. Step 2: Convert to fraction form
   58,546.53/80,793.72 = 31,688.81/x
3. Step 3: Cross multiply
   58,546.53x = 80,793.72 × 31,688.81
4. Step 4: Simplify right side
   58,546.53x = 2,560,256,842.27
5. Step 5: Solve for x
   x = 2,560,256,842.27/58,546.53
6. Step 6: Final answer
   x = 43,730.29