Finding the Fourth Proportional to 12,093.35, 18,135.71 and 4,300.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093.35 : 18,135.71 = 4,300.61 : x
2. Step 2: Convert to fraction form
   12,093.35/18,135.71 = 4,300.61/x
3. Step 3: Cross multiply
   12,093.35x = 18,135.71 × 4,300.61
4. Step 4: Simplify right side
   12,093.35x = 77,994,594.28
5. Step 5: Solve for x
   x = 77,994,594.28/12,093.35
6. Step 6: Final answer
   x = 6,449.38