Finding the Fourth Proportional to 16,976.01, 23,442.66 and 10,936.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,976.01 : 23,442.66 = 10,936.77 : x
2. Step 2: Convert to fraction form
   16,976.01/23,442.66 = 10,936.77/x
3. Step 3: Cross multiply
   16,976.01x = 23,442.66 × 10,936.77
4. Step 4: Simplify right side
   16,976.01x = 256,386,980.61
5. Step 5: Solve for x
   x = 256,386,980.61/16,976.01
6. Step 6: Final answer
   x = 15,102.90