Finding the Fourth Proportional to 140,014.85, 209,863.33 and 123,115.15

Step by Step Solution

1. Step 1: Write the proportion equation
   140,014.85 : 209,863.33 = 123,115.15 : x
2. Step 2: Convert to fraction form
   140,014.85/209,863.33 = 123,115.15/x
3. Step 3: Cross multiply
   140,014.85x = 209,863.33 × 123,115.15
4. Step 4: Simplify right side
   140,014.85x = 25,837,355,185.00
5. Step 5: Solve for x
   x = 25,837,355,185.00/140,014.85
6. Step 6: Final answer
   x = 184,532.96