Finding the Fourth Proportional to 17,642.43, 26,463.69 and 7,117.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,642.43 : 26,463.69 = 7,117.02 : x
2. Step 2: Convert to fraction form
   17,642.43/26,463.69 = 7,117.02/x
3. Step 3: Cross multiply
   17,642.43x = 26,463.69 × 7,117.02
4. Step 4: Simplify right side
   17,642.43x = 188,342,611.00
5. Step 5: Solve for x
   x = 188,342,611.00/17,642.43
6. Step 6: Final answer
   x = 10,675.55