Finding the Fourth Proportional to 2,916.99, 4,377.69 and 1,069.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,916.99 : 4,377.69 = 1,069.83 : x
2. Step 2: Convert to fraction form
   2,916.99/4,377.69 = 1,069.83/x
3. Step 3: Cross multiply
   2,916.99x = 4,377.69 × 1,069.83
4. Step 4: Simplify right side
   2,916.99x = 4,683,384.09
5. Step 5: Solve for x
   x = 4,683,384.09/2,916.99
6. Step 6: Final answer
   x = 1,605.55