Finding the Fourth Proportional to 11,818.32, 16,316.28 and 10,506.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,818.32 : 16,316.28 = 10,506.24 : x
2. Step 2: Convert to fraction form
   11,818.32/16,316.28 = 10,506.24/x
3. Step 3: Cross multiply
   11,818.32x = 16,316.28 × 10,506.24
4. Step 4: Simplify right side
   11,818.32x = 171,422,753.59
5. Step 5: Solve for x
   x = 171,422,753.59/11,818.32
6. Step 6: Final answer
   x = 14,504.83