Finding the Fourth Proportional to 11,017.32, 16,488.92 and 10,106.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,017.32 : 16,488.92 = 10,106.88 : x
2. Step 2: Convert to fraction form
   11,017.32/16,488.92 = 10,106.88/x
3. Step 3: Cross multiply
   11,017.32x = 16,488.92 × 10,106.88
4. Step 4: Simplify right side
   11,017.32x = 166,651,535.77
5. Step 5: Solve for x
   x = 166,651,535.77/11,017.32
6. Step 6: Final answer
   x = 15,126.32