Finding the Fourth Proportional to 12,094.18, 18,142.71 and 7,412.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,094.18 : 18,142.71 = 7,412.02 : x
2. Step 2: Convert to fraction form
   12,094.18/18,142.71 = 7,412.02/x
3. Step 3: Cross multiply
   12,094.18x = 18,142.71 × 7,412.02
4. Step 4: Simplify right side
   12,094.18x = 134,474,129.37
5. Step 5: Solve for x
   x = 134,474,129.37/12,094.18
6. Step 6: Final answer
   x = 11,118.91