Finding the Fourth Proportional to 9,980.03, 13,773.26 and 5,504.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980.03 : 13,773.26 = 5,504.69 : x
2. Step 2: Convert to fraction form
   9,980.03/13,773.26 = 5,504.69/x
3. Step 3: Cross multiply
   9,980.03x = 13,773.26 × 5,504.69
4. Step 4: Simplify right side
   9,980.03x = 75,817,574.78
5. Step 5: Solve for x
   x = 75,817,574.78/9,980.03
6. Step 6: Final answer
   x = 7,596.93