Finding the Fourth Proportional to 11,628.63, 17,442.56 and 5,054.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,628.63 : 17,442.56 = 5,054.81 : x
2. Step 2: Convert to fraction form
   11,628.63/17,442.56 = 5,054.81/x
3. Step 3: Cross multiply
   11,628.63x = 17,442.56 × 5,054.81
4. Step 4: Simplify right side
   11,628.63x = 88,168,845.05
5. Step 5: Solve for x
   x = 88,168,845.05/11,628.63
6. Step 6: Final answer
   x = 7,582.05