Finding the Fourth Proportional to 6,916.83, 10,377.01 and 1,986.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,916.83 : 10,377.01 = 1,986.83 : x
2. Step 2: Convert to fraction form
   6,916.83/10,377.01 = 1,986.83/x
3. Step 3: Cross multiply
   6,916.83x = 10,377.01 × 1,986.83
4. Step 4: Simplify right side
   6,916.83x = 20,617,344.29
5. Step 5: Solve for x
   x = 20,617,344.29/6,916.83
6. Step 6: Final answer
   x = 2,980.75