Finding the Fourth Proportional to 9,970.77, 13,759.76 and 5,494.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.77 : 13,759.76 = 5,494.68 : x
2. Step 2: Convert to fraction form
   9,970.77/13,759.76 = 5,494.68/x
3. Step 3: Cross multiply
   9,970.77x = 13,759.76 × 5,494.68
4. Step 4: Simplify right side
   9,970.77x = 75,605,476.40
5. Step 5: Solve for x
   x = 75,605,476.40/9,970.77
6. Step 6: Final answer
   x = 7,582.71