Finding the Fourth Proportional to 591,084.82, 815,697.96 and 336,436

Step by Step Solution

1. Step 1: Write the proportion equation
   591,084.82 : 815,697.96 = 336,436 : x
2. Step 2: Convert to fraction form
   591,084.82/815,697.96 = 336,436/x
3. Step 3: Cross multiply
   591,084.82x = 815,697.96 × 336,436
4. Step 4: Simplify right side
   591,084.82x = 274,430,158,870.56
5. Step 5: Solve for x
   x = 274,430,158,870.56/591,084.82
6. Step 6: Final answer
   x = 464,282.20