Finding the Fourth Proportional to 684,196.32, 944,188.55 and 382,390.32

Step by Step Solution

1. Step 1: Write the proportion equation
   684,196.32 : 944,188.55 = 382,390.32 : x
2. Step 2: Convert to fraction form
   684,196.32/944,188.55 = 382,390.32/x
3. Step 3: Cross multiply
   684,196.32x = 944,188.55 × 382,390.32
4. Step 4: Simplify right side
   684,196.32x = 361,048,561,774.84
5. Step 5: Solve for x
   x = 361,048,561,774.84/684,196.32
6. Step 6: Final answer
   x = 527,697.32