Finding the Fourth Proportional to 11,054.01, 16,585.58 and 4,478.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,054.01 : 16,585.58 = 4,478.52 : x
2. Step 2: Convert to fraction form
   11,054.01/16,585.58 = 4,478.52/x
3. Step 3: Cross multiply
   11,054.01x = 16,585.58 × 4,478.52
4. Step 4: Simplify right side
   11,054.01x = 74,278,829.35
5. Step 5: Solve for x
   x = 74,278,829.35/11,054.01
6. Step 6: Final answer
   x = 6,719.63