Finding the Fourth Proportional to 11,714.06, 16,168.10 and 7,178.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,714.06 : 16,168.10 = 7,178.10 : x
2. Step 2: Convert to fraction form
   11,714.06/16,168.10 = 7,178.10/x
3. Step 3: Cross multiply
   11,714.06x = 16,168.10 × 7,178.10
4. Step 4: Simplify right side
   11,714.06x = 116,056,238.61
5. Step 5: Solve for x
   x = 116,056,238.61/11,714.06
6. Step 6: Final answer
   x = 9,907.43