Finding the Fourth Proportional to 58,158.34, 87,164.34 and 31,503.31

Step by Step Solution

1. Step 1: Write the proportion equation
   58,158.34 : 87,164.34 = 31,503.31 : x
2. Step 2: Convert to fraction form
   58,158.34/87,164.34 = 31,503.31/x
3. Step 3: Cross multiply
   58,158.34x = 87,164.34 × 31,503.31
4. Step 4: Simplify right side
   58,158.34x = 2,745,965,223.97
5. Step 5: Solve for x
   x = 2,745,965,223.97/58,158.34
6. Step 6: Final answer
   x = 47,215.33