Finding the Fourth Proportional to 2,969.69, 4,454.69 and 889.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,969.69 : 4,454.69 = 889.76 : x
2. Step 2: Convert to fraction form
   2,969.69/4,454.69 = 889.76/x
3. Step 3: Cross multiply
   2,969.69x = 4,454.69 × 889.76
4. Step 4: Simplify right side
   2,969.69x = 3,963,611.66
5. Step 5: Solve for x
   x = 3,963,611.66/2,969.69
6. Step 6: Final answer
   x = 1,334.69