Finding the Fourth Proportional to 2,322.43, 3,483.51 and 678.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,322.43 : 3,483.51 = 678.94 : x
2. Step 2: Convert to fraction form
   2,322.43/3,483.51 = 678.94/x
3. Step 3: Cross multiply
   2,322.43x = 3,483.51 × 678.94
4. Step 4: Simplify right side
   2,322.43x = 2,365,094.28
5. Step 5: Solve for x
   x = 2,365,094.28/2,322.43
6. Step 6: Final answer
   x = 1,018.37