Finding the Fourth Proportional to 12,079.53, 16,664.94 and 7,355.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,079.53 : 16,664.94 = 7,355.61 : x
2. Step 2: Convert to fraction form
   12,079.53/16,664.94 = 7,355.61/x
3. Step 3: Cross multiply
   12,079.53x = 16,664.94 × 7,355.61
4. Step 4: Simplify right side
   12,079.53x = 122,580,799.31
5. Step 5: Solve for x
   x = 122,580,799.31/12,079.53
6. Step 6: Final answer
   x = 10,147.81