Finding the Fourth Proportional to 9,426.94, 13,010.20 and 5,394.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.94 : 13,010.20 = 5,394.14 : x
2. Step 2: Convert to fraction form
   9,426.94/13,010.20 = 5,394.14/x
3. Step 3: Cross multiply
   9,426.94x = 13,010.20 × 5,394.14
4. Step 4: Simplify right side
   9,426.94x = 70,178,840.23
5. Step 5: Solve for x
   x = 70,178,840.23/9,426.94
6. Step 6: Final answer
   x = 7,444.50