Finding the Fourth Proportional to 11,409.48, 17,109.90 and 4,838.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,409.48 : 17,109.90 = 4,838.76 : x
2. Step 2: Convert to fraction form
   11,409.48/17,109.90 = 4,838.76/x
3. Step 3: Cross multiply
   11,409.48x = 17,109.90 × 4,838.76
4. Step 4: Simplify right side
   11,409.48x = 82,790,699.72
5. Step 5: Solve for x
   x = 82,790,699.72/11,409.48
6. Step 6: Final answer
   x = 7,256.31