Finding the Fourth Proportional to 10,211.35, 15,307.78 and 7,092.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,211.35 : 15,307.78 = 7,092.83 : x
2. Step 2: Convert to fraction form
   10,211.35/15,307.78 = 7,092.83/x
3. Step 3: Cross multiply
   10,211.35x = 15,307.78 × 7,092.83
4. Step 4: Simplify right side
   10,211.35x = 108,575,481.22
5. Step 5: Solve for x
   x = 108,575,481.22/10,211.35
6. Step 6: Final answer
   x = 10,632.82