Finding the Fourth Proportional to 9,426.98, 13,010.26 and 5,394.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.98 : 13,010.26 = 5,394.18 : x
2. Step 2: Convert to fraction form
   9,426.98/13,010.26 = 5,394.18/x
3. Step 3: Cross multiply
   9,426.98x = 13,010.26 × 5,394.18
4. Step 4: Simplify right side
   9,426.98x = 70,179,684.29
5. Step 5: Solve for x
   x = 70,179,684.29/9,426.98
6. Step 6: Final answer
   x = 7,444.56