Finding the Fourth Proportional to 58,498.25, 80,727.48 and 31,640.67

Step by Step Solution

1. Step 1: Write the proportion equation
   58,498.25 : 80,727.48 = 31,640.67 : x
2. Step 2: Convert to fraction form
   58,498.25/80,727.48 = 31,640.67/x
3. Step 3: Cross multiply
   58,498.25x = 80,727.48 × 31,640.67
4. Step 4: Simplify right side
   58,498.25x = 2,554,271,554.61
5. Step 5: Solve for x
   x = 2,554,271,554.61/58,498.25
6. Step 6: Final answer
   x = 43,664.07