Finding the Fourth Proportional to 9,976.98, 13,769.04 and 5,501.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.98 : 13,769.04 = 5,501.60 : x
2. Step 2: Convert to fraction form
   9,976.98/13,769.04 = 5,501.60/x
3. Step 3: Cross multiply
   9,976.98x = 13,769.04 × 5,501.60
4. Step 4: Simplify right side
   9,976.98x = 75,751,750.46
5. Step 5: Solve for x
   x = 75,751,750.46/9,976.98
6. Step 6: Final answer
   x = 7,592.65