Finding the Fourth Proportional to 228,596.82, 315,468.72 and 130,478.10

Step by Step Solution

1. Step 1: Write the proportion equation
   228,596.82 : 315,468.72 = 130,478.10 : x
2. Step 2: Convert to fraction form
   228,596.82/315,468.72 = 130,478.10/x
3. Step 3: Cross multiply
   228,596.82x = 315,468.72 × 130,478.10
4. Step 4: Simplify right side
   228,596.82x = 41,161,759,195.03
5. Step 5: Solve for x
   x = 41,161,759,195.03/228,596.82
6. Step 6: Final answer
   x = 180,062.69