Finding the Fourth Proportional to 17,510.52, 26,250.85 and 7,642.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,510.52 : 26,250.85 = 7,642.42 : x
2. Step 2: Convert to fraction form
   17,510.52/26,250.85 = 7,642.42/x
3. Step 3: Cross multiply
   17,510.52x = 26,250.85 × 7,642.42
4. Step 4: Simplify right side
   17,510.52x = 200,620,021.06
5. Step 5: Solve for x
   x = 200,620,021.06/17,510.52
6. Step 6: Final answer
   x = 11,457.11