Finding the Fourth Proportional to 1,097,642.12, 1,646,443.02 and 298,911.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097,642.12 : 1,646,443.02 = 298,911.56 : x
2. Step 2: Convert to fraction form
   1,097,642.12/1,646,443.02 = 298,911.56/x
3. Step 3: Cross multiply
   1,097,642.12x = 1,646,443.02 × 298,911.56
4. Step 4: Simplify right side
   1,097,642.12x = 492,140,851,559.31
5. Step 5: Solve for x
   x = 492,140,851,559.31/1,097,642.12
6. Step 6: Final answer
   x = 448,361.85