Finding the Fourth Proportional to 209,116.76, 315,250.72 and 195,586.52

Step by Step Solution

1. Step 1: Write the proportion equation
   209,116.76 : 315,250.72 = 195,586.52 : x
2. Step 2: Convert to fraction form
   209,116.76/315,250.72 = 195,586.52/x
3. Step 3: Cross multiply
   209,116.76x = 315,250.72 × 195,586.52
4. Step 4: Simplify right side
   209,116.76x = 61,658,789,187.07
5. Step 5: Solve for x
   x = 61,658,789,187.07/209,116.76
6. Step 6: Final answer
   x = 294,853.41