Finding the Fourth Proportional to 892,196.88, 1,231,198.32 and 484,289.94

Step by Step Solution

1. Step 1: Write the proportion equation
   892,196.88 : 1,231,198.32 = 484,289.94 : x
2. Step 2: Convert to fraction form
   892,196.88/1,231,198.32 = 484,289.94/x
3. Step 3: Cross multiply
   892,196.88x = 1,231,198.32 × 484,289.94
4. Step 4: Simplify right side
   892,196.88x = 596,256,960,520.90
5. Step 5: Solve for x
   x = 596,256,960,520.90/892,196.88
6. Step 6: Final answer
   x = 668,302.00