Finding the Fourth Proportional to 6,945.65, 10,418.42 and 5,903.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,945.65 : 10,418.42 = 5,903.18 : x
2. Step 2: Convert to fraction form
   6,945.65/10,418.42 = 5,903.18/x
3. Step 3: Cross multiply
   6,945.65x = 10,418.42 × 5,903.18
4. Step 4: Simplify right side
   6,945.65x = 61,501,810.31
5. Step 5: Solve for x
   x = 61,501,810.31/6,945.65
6. Step 6: Final answer
   x = 8,854.73