Finding the Fourth Proportional to 6,916.09, 10,364.42 and 3,012.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,916.09 : 10,364.42 = 3,012.31 : x
2. Step 2: Convert to fraction form
   6,916.09/10,364.42 = 3,012.31/x
3. Step 3: Cross multiply
   6,916.09x = 10,364.42 × 3,012.31
4. Step 4: Simplify right side
   6,916.09x = 31,220,830.95
5. Step 5: Solve for x
   x = 31,220,830.95/6,916.09
6. Step 6: Final answer
   x = 4,514.23