Finding the Fourth Proportional to 58,628.34, 80,906.89 and 31,771.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,628.34 : 80,906.89 = 31,771.50 : x
2. Step 2: Convert to fraction form
   58,628.34/80,906.89 = 31,771.50/x
3. Step 3: Cross multiply
   58,628.34x = 80,906.89 × 31,771.50
4. Step 4: Simplify right side
   58,628.34x = 2,570,533,255.64
5. Step 5: Solve for x
   x = 2,570,533,255.64/58,628.34
6. Step 6: Final answer
   x = 43,844.55