Finding the Fourth Proportional to 9,279.12, 12,804.48 and 5,501.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.12 : 12,804.48 = 5,501.99 : x
2. Step 2: Convert to fraction form
   9,279.12/12,804.48 = 5,501.99/x
3. Step 3: Cross multiply
   9,279.12x = 12,804.48 × 5,501.99
4. Step 4: Simplify right side
   9,279.12x = 70,450,152.93
5. Step 5: Solve for x
   x = 70,450,152.93/9,279.12
6. Step 6: Final answer
   x = 7,592.33