Finding the Fourth Proportional to 9,279.72, 12,804.42 and 5,501.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.72 : 12,804.42 = 5,501.96 : x
2. Step 2: Convert to fraction form
   9,279.72/12,804.42 = 5,501.96/x
3. Step 3: Cross multiply
   9,279.72x = 12,804.42 × 5,501.96
4. Step 4: Simplify right side
   9,279.72x = 70,449,406.66
5. Step 5: Solve for x
   x = 70,449,406.66/9,279.72
6. Step 6: Final answer
   x = 7,591.76