Finding the Fourth Proportional to 9,970.54, 13,759.17 and 5,494.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.54 : 13,759.17 = 5,494.71 : x
2. Step 2: Convert to fraction form
   9,970.54/13,759.17 = 5,494.71/x
3. Step 3: Cross multiply
   9,970.54x = 13,759.17 × 5,494.71
4. Step 4: Simplify right side
   9,970.54x = 75,602,648.99
5. Step 5: Solve for x
   x = 75,602,648.99/9,970.54
6. Step 6: Final answer
   x = 7,582.60