Finding the Fourth Proportional to 670,870.98, 925,824.78 and 384,446.34

Step by Step Solution

1. Step 1: Write the proportion equation
   670,870.98 : 925,824.78 = 384,446.34 : x
2. Step 2: Convert to fraction form
   670,870.98/925,824.78 = 384,446.34/x
3. Step 3: Cross multiply
   670,870.98x = 925,824.78 × 384,446.34
4. Step 4: Simplify right side
   670,870.98x = 355,929,948,152.31
5. Step 5: Solve for x
   x = 355,929,948,152.31/670,870.98
6. Step 6: Final answer
   x = 530,549.03