Finding the Fourth Proportional to 9,970.37, 13,758.77 and 5,494.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.37 : 13,758.77 = 5,494.19 : x
2. Step 2: Convert to fraction form
   9,970.37/13,758.77 = 5,494.19/x
3. Step 3: Cross multiply
   9,970.37x = 13,758.77 × 5,494.19
4. Step 4: Simplify right side
   9,970.37x = 75,593,200.28
5. Step 5: Solve for x
   x = 75,593,200.28/9,970.37
6. Step 6: Final answer
   x = 7,581.79