Finding the Fourth Proportional to 9,054.42, 13,580.17 and 2,479.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,054.42 : 13,580.17 = 2,479.07 : x
2. Step 2: Convert to fraction form
   9,054.42/13,580.17 = 2,479.07/x
3. Step 3: Cross multiply
   9,054.42x = 13,580.17 × 2,479.07
4. Step 4: Simplify right side
   9,054.42x = 33,666,176.45
5. Step 5: Solve for x
   x = 33,666,176.45/9,054.42
6. Step 6: Final answer
   x = 3,718.20