Finding the Fourth Proportional to 12,087.42, 18,109.64 and 5,051.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,087.42 : 18,109.64 = 5,051.94 : x
2. Step 2: Convert to fraction form
   12,087.42/18,109.64 = 5,051.94/x
3. Step 3: Cross multiply
   12,087.42x = 18,109.64 × 5,051.94
4. Step 4: Simplify right side
   12,087.42x = 91,488,814.70
5. Step 5: Solve for x
   x = 91,488,814.70/12,087.42
6. Step 6: Final answer
   x = 7,568.93