Finding the Fourth Proportional to 12,093.45, 16,689.42 and 7,056.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093.45 : 16,689.42 = 7,056.87 : x
2. Step 2: Convert to fraction form
   12,093.45/16,689.42 = 7,056.87/x
3. Step 3: Cross multiply
   12,093.45x = 16,689.42 × 7,056.87
4. Step 4: Simplify right side
   12,093.45x = 117,775,067.32
5. Step 5: Solve for x
   x = 117,775,067.32/12,093.45
6. Step 6: Final answer
   x = 9,738.75