Finding the Fourth Proportional to 9,970.97, 13,759.76 and 5,433.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.97 : 13,759.76 = 5,433.69 : x
2. Step 2: Convert to fraction form
   9,970.97/13,759.76 = 5,433.69/x
3. Step 3: Cross multiply
   9,970.97x = 13,759.76 × 5,433.69
4. Step 4: Simplify right side
   9,970.97x = 74,766,280.16
5. Step 5: Solve for x
   x = 74,766,280.16/9,970.97
6. Step 6: Final answer
   x = 7,498.40