Finding the Fourth Proportional to 12,090.56, 18,112.68 and 5,832.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,090.56 : 18,112.68 = 5,832.08 : x
2. Step 2: Convert to fraction form
   12,090.56/18,112.68 = 5,832.08/x
3. Step 3: Cross multiply
   12,090.56x = 18,112.68 × 5,832.08
4. Step 4: Simplify right side
   12,090.56x = 105,634,598.77
5. Step 5: Solve for x
   x = 105,634,598.77/12,090.56
6. Step 6: Final answer
   x = 8,736.95