Finding the Fourth Proportional to 9,980.33, 13,772.59 and 5,504.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,980.33 : 13,772.59 = 5,504.00 : x
2. Step 2: Convert to fraction form
   9,980.33/13,772.59 = 5,504.00/x
3. Step 3: Cross multiply
   9,980.33x = 13,772.59 × 5,504.00
4. Step 4: Simplify right side
   9,980.33x = 75,804,356.03
5. Step 5: Solve for x
   x = 75,804,356.03/9,980.33
6. Step 6: Final answer
   x = 7,595.37