Finding the Fourth Proportional to 5,974.59, 8,916.71 and 5,819.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,974.59 : 8,916.71 = 5,819.07 : x
2. Step 2: Convert to fraction form
   5,974.59/8,916.71 = 5,819.07/x
3. Step 3: Cross multiply
   5,974.59x = 8,916.71 × 5,819.07
4. Step 4: Simplify right side
   5,974.59x = 51,886,930.56
5. Step 5: Solve for x
   x = 51,886,930.56/5,974.59
6. Step 6: Final answer
   x = 8,684.60