Finding the Fourth Proportional to 58,145.82, 80,271.12 and 49,738.26

Step by Step Solution

1. Step 1: Write the proportion equation
   58,145.82 : 80,271.12 = 49,738.26 : x
2. Step 2: Convert to fraction form
   58,145.82/80,271.12 = 49,738.26/x
3. Step 3: Cross multiply
   58,145.82x = 80,271.12 × 49,738.26
4. Step 4: Simplify right side
   58,145.82x = 3,992,546,023.57
5. Step 5: Solve for x
   x = 3,992,546,023.57/58,145.82
6. Step 6: Final answer
   x = 68,664.37