Finding the Fourth Proportional to 18,356.69, 27,538.56 and 7,826.52

Step by Step Solution

1. Step 1: Write the proportion equation
   18,356.69 : 27,538.56 = 7,826.52 : x
2. Step 2: Convert to fraction form
   18,356.69/27,538.56 = 7,826.52/x
3. Step 3: Cross multiply
   18,356.69x = 27,538.56 × 7,826.52
4. Step 4: Simplify right side
   18,356.69x = 215,531,090.61
5. Step 5: Solve for x
   x = 215,531,090.61/18,356.69
6. Step 6: Final answer
   x = 11,741.28