Finding the Fourth Proportional to 11,210.04, 15,456.15 and 7,011

Step by Step Solution

1. Step 1: Write the proportion equation
   11,210.04 : 15,456.15 = 7,011 : x
2. Step 2: Convert to fraction form
   11,210.04/15,456.15 = 7,011/x
3. Step 3: Cross multiply
   11,210.04x = 15,456.15 × 7,011
4. Step 4: Simplify right side
   11,210.04x = 108,363,067.65
5. Step 5: Solve for x
   x = 108,363,067.65/11,210.04
6. Step 6: Final answer
   x = 9,666.61