Finding the Fourth Proportional to 246,667.35, 340,466.73 and 139,300.23

Step by Step Solution

1. Step 1: Write the proportion equation
   246,667.35 : 340,466.73 = 139,300.23 : x
2. Step 2: Convert to fraction form
   246,667.35/340,466.73 = 139,300.23/x
3. Step 3: Cross multiply
   246,667.35x = 340,466.73 × 139,300.23
4. Step 4: Simplify right side
   246,667.35x = 47,427,093,796.35
5. Step 5: Solve for x
   x = 47,427,093,796.35/246,667.35
6. Step 6: Final answer
   x = 192,271.47