Finding the Fourth Proportional to 58,575.78, 80,834.46 and 31,718.36

Step by Step Solution

1. Step 1: Write the proportion equation
   58,575.78 : 80,834.46 = 31,718.36 : x
2. Step 2: Convert to fraction form
   58,575.78/80,834.46 = 31,718.36/x
3. Step 3: Cross multiply
   58,575.78x = 80,834.46 × 31,718.36
4. Step 4: Simplify right side
   58,575.78x = 2,563,936,585.83
5. Step 5: Solve for x
   x = 2,563,936,585.83/58,575.78
6. Step 6: Final answer
   x = 43,771.28