Finding the Fourth Proportional to 9,874.18, 13,626.33 and 5,397.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,874.18 : 13,626.33 = 5,397.94 : x
2. Step 2: Convert to fraction form
   9,874.18/13,626.33 = 5,397.94/x
3. Step 3: Cross multiply
   9,874.18x = 13,626.33 × 5,397.94
4. Step 4: Simplify right side
   9,874.18x = 73,554,111.76
5. Step 5: Solve for x
   x = 73,554,111.76/9,874.18
6. Step 6: Final answer
   x = 7,449.14