Finding the Fourth Proportional to 1,019.52, 1,404.48 and 841.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.52 : 1,404.48 = 841.32 : x
2. Step 2: Convert to fraction form
   1,019.52/1,404.48 = 841.32/x
3. Step 3: Cross multiply
   1,019.52x = 1,404.48 × 841.32
4. Step 4: Simplify right side
   1,019.52x = 1,181,617.11
5. Step 5: Solve for x
   x = 1,181,617.11/1,019.52
6. Step 6: Final answer
   x = 1,158.99