Finding the Fourth Proportional to 11,316.34, 15,627.06 and 7,290.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,316.34 : 15,627.06 = 7,290.18 : x
2. Step 2: Convert to fraction form
   11,316.34/15,627.06 = 7,290.18/x
3. Step 3: Cross multiply
   11,316.34x = 15,627.06 × 7,290.18
4. Step 4: Simplify right side
   11,316.34x = 113,924,080.27
5. Step 5: Solve for x
   x = 113,924,080.27/11,316.34
6. Step 6: Final answer
   x = 10,067.22