Finding the Fourth Proportional to 1,037,442.42, 1,556,243.82 and 398,052.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,037,442.42 : 1,556,243.82 = 398,052.18 : x
2. Step 2: Convert to fraction form
   1,037,442.42/1,556,243.82 = 398,052.18/x
3. Step 3: Cross multiply
   1,037,442.42x = 1,556,243.82 × 398,052.18
4. Step 4: Simplify right side
   1,037,442.42x = 619,466,245,162.53
5. Step 5: Solve for x
   x = 619,466,245,162.53/1,037,442.42
6. Step 6: Final answer
   x = 597,109.04