Finding the Fourth Proportional to 9,109.76, 13,663.56 and 2,869.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,109.76 : 13,663.56 = 2,869.52 : x
2. Step 2: Convert to fraction form
   9,109.76/13,663.56 = 2,869.52/x
3. Step 3: Cross multiply
   9,109.76x = 13,663.56 × 2,869.52
4. Step 4: Simplify right side
   9,109.76x = 39,207,858.69
5. Step 5: Solve for x
   x = 39,207,858.69/9,109.76
6. Step 6: Final answer
   x = 4,303.94