Finding the Fourth Proportional to 11,457.45, 17,153.37 and 7,045.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,457.45 : 17,153.37 = 7,045.18 : x
2. Step 2: Convert to fraction form
   11,457.45/17,153.37 = 7,045.18/x
3. Step 3: Cross multiply
   11,457.45x = 17,153.37 × 7,045.18
4. Step 4: Simplify right side
   11,457.45x = 120,848,536.37
5. Step 5: Solve for x
   x = 120,848,536.37/11,457.45
6. Step 6: Final answer
   x = 10,547.59