Finding the Fourth Proportional to 12,093.78, 18,141.48 and 4,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093.78 : 18,141.48 = 4,300.50 : x
2. Step 2: Convert to fraction form
   12,093.78/18,141.48 = 4,300.50/x
3. Step 3: Cross multiply
   12,093.78x = 18,141.48 × 4,300.50
4. Step 4: Simplify right side
   12,093.78x = 78,017,434.74
5. Step 5: Solve for x
   x = 78,017,434.74/12,093.78
6. Step 6: Final answer
   x = 6,451.04