Finding the Fourth Proportional to 2,966.69, 4,448.52 and 991.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,966.69 : 4,448.52 = 991.62 : x
2. Step 2: Convert to fraction form
   2,966.69/4,448.52 = 991.62/x
3. Step 3: Cross multiply
   2,966.69x = 4,448.52 × 991.62
4. Step 4: Simplify right side
   2,966.69x = 4,411,241.40
5. Step 5: Solve for x
   x = 4,411,241.40/2,966.69
6. Step 6: Final answer
   x = 1,486.92