Finding the Fourth Proportional to 11,409.72, 17,100.94 and 7,462.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,409.72 : 17,100.94 = 7,462.88 : x
2. Step 2: Convert to fraction form
   11,409.72/17,100.94 = 7,462.88/x
3. Step 3: Cross multiply
   11,409.72x = 17,100.94 × 7,462.88
4. Step 4: Simplify right side
   11,409.72x = 127,622,263.11
5. Step 5: Solve for x
   x = 127,622,263.11/11,409.72
6. Step 6: Final answer
   x = 11,185.40