Finding the Fourth Proportional to 806,789.73, 1,209,902.49 and 238,019.84

Step by Step Solution

1. Step 1: Write the proportion equation
   806,789.73 : 1,209,902.49 = 238,019.84 : x
2. Step 2: Convert to fraction form
   806,789.73/1,209,902.49 = 238,019.84/x
3. Step 3: Cross multiply
   806,789.73x = 1,209,902.49 × 238,019.84
4. Step 4: Simplify right side
   806,789.73x = 287,980,791,035.89
5. Step 5: Solve for x
   x = 287,980,791,035.89/806,789.73
6. Step 6: Final answer
   x = 356,946.53