Finding the Fourth Proportional to 18,336.31, 27,501.59 and 7,090.07

Step by Step Solution

1. Step 1: Write the proportion equation
   18,336.31 : 27,501.59 = 7,090.07 : x
2. Step 2: Convert to fraction form
   18,336.31/27,501.59 = 7,090.07/x
3. Step 3: Cross multiply
   18,336.31x = 27,501.59 × 7,090.07
4. Step 4: Simplify right side
   18,336.31x = 194,988,078.43
5. Step 5: Solve for x
   x = 194,988,078.43/18,336.31
6. Step 6: Final answer
   x = 10,633.99