Finding the Fourth Proportional to 11,316.24, 15,613.56 and 7,590.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,316.24 : 15,613.56 = 7,590.24 : x
2. Step 2: Convert to fraction form
   11,316.24/15,613.56 = 7,590.24/x
3. Step 3: Cross multiply
   11,316.24x = 15,613.56 × 7,590.24
4. Step 4: Simplify right side
   11,316.24x = 118,510,667.65
5. Step 5: Solve for x
   x = 118,510,667.65/11,316.24
6. Step 6: Final answer
   x = 10,472.62