Finding the Fourth Proportional to 17,560.25, 26,340.39 and 7,172.00

Step by Step Solution

1. Step 1: Write the proportion equation
   17,560.25 : 26,340.39 = 7,172.00 : x
2. Step 2: Convert to fraction form
   17,560.25/26,340.39 = 7,172.00/x
3. Step 3: Cross multiply
   17,560.25x = 26,340.39 × 7,172.00
4. Step 4: Simplify right side
   17,560.25x = 188,913,145.38
5. Step 5: Solve for x
   x = 188,913,145.38/17,560.25
6. Step 6: Final answer
   x = 10,758.00