Finding the Fourth Proportional to 9,970.95, 13,759.59 and 5,494.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.95 : 13,759.59 = 5,494.69 : x
2. Step 2: Convert to fraction form
   9,970.95/13,759.59 = 5,494.69/x
3. Step 3: Cross multiply
   9,970.95x = 13,759.59 × 5,494.69
4. Step 4: Simplify right side
   9,970.95x = 75,604,681.58
5. Step 5: Solve for x
   x = 75,604,681.58/9,970.95
6. Step 6: Final answer
   x = 7,582.50