Finding the Fourth Proportional to 12,063.33, 18,080.42 and 5,123.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,063.33 : 18,080.42 = 5,123.25 : x
2. Step 2: Convert to fraction form
   12,063.33/18,080.42 = 5,123.25/x
3. Step 3: Cross multiply
   12,063.33x = 18,080.42 × 5,123.25
4. Step 4: Simplify right side
   12,063.33x = 92,630,486.15
5. Step 5: Solve for x
   x = 92,630,486.15/12,063.33
6. Step 6: Final answer
   x = 7,678.68