Finding the Fourth Proportional to 11,642.53, 17,457.18 and 10,650.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,642.53 : 17,457.18 = 10,650.69 : x
2. Step 2: Convert to fraction form
   11,642.53/17,457.18 = 10,650.69/x
3. Step 3: Cross multiply
   11,642.53x = 17,457.18 × 10,650.69
4. Step 4: Simplify right side
   11,642.53x = 185,931,012.45
5. Step 5: Solve for x
   x = 185,931,012.45/11,642.53
6. Step 6: Final answer
   x = 15,969.98