Finding the Fourth Proportional to 1,078,144.02, 1,488,316.98 and 696,357

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,144.02 : 1,488,316.98 = 696,357 : x
2. Step 2: Convert to fraction form
   1,078,144.02/1,488,316.98 = 696,357/x
3. Step 3: Cross multiply
   1,078,144.02x = 1,488,316.98 × 696,357
4. Step 4: Simplify right side
   1,078,144.02x = 1,036,399,947,241.86
5. Step 5: Solve for x
   x = 1,036,399,947,241.86/1,078,144.02
6. Step 6: Final answer
   x = 961,281.54