Finding the Fourth Proportional to 9,417.54, 12,994.74 and 5,383.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417.54 : 12,994.74 = 5,383.65 : x
2. Step 2: Convert to fraction form
   9,417.54/12,994.74 = 5,383.65/x
3. Step 3: Cross multiply
   9,417.54x = 12,994.74 × 5,383.65
4. Step 4: Simplify right side
   9,417.54x = 69,959,132.00
5. Step 5: Solve for x
   x = 69,959,132.00/9,417.54
6. Step 6: Final answer
   x = 7,428.60