Finding the Fourth Proportional to 1,196.10, 1,647.32 and 1,030.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.10 : 1,647.32 = 1,030.26 : x
2. Step 2: Convert to fraction form
   1,196.10/1,647.32 = 1,030.26/x
3. Step 3: Cross multiply
   1,196.10x = 1,647.32 × 1,030.26
4. Step 4: Simplify right side
   1,196.10x = 1,697,167.90
5. Step 5: Solve for x
   x = 1,697,167.90/1,196.10
6. Step 6: Final answer
   x = 1,418.92