Finding the Fourth Proportional to 9,970.38, 13,759.23 and 5,494.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.38 : 13,759.23 = 5,494.29 : x
2. Step 2: Convert to fraction form
   9,970.38/13,759.23 = 5,494.29/x
3. Step 3: Cross multiply
   9,970.38x = 13,759.23 × 5,494.29
4. Step 4: Simplify right side
   9,970.38x = 75,597,199.80
5. Step 5: Solve for x
   x = 75,597,199.80/9,970.38
6. Step 6: Final answer
   x = 7,582.18