Finding the Fourth Proportional to 11,179.68, 15,434.72 and 7,406.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,179.68 : 15,434.72 = 7,406.06 : x
2. Step 2: Convert to fraction form
   11,179.68/15,434.72 = 7,406.06/x
3. Step 3: Cross multiply
   11,179.68x = 15,434.72 × 7,406.06
4. Step 4: Simplify right side
   11,179.68x = 114,310,462.40
5. Step 5: Solve for x
   x = 114,310,462.40/11,179.68
6. Step 6: Final answer
   x = 10,224.84