Finding the Fourth Proportional to 17,649.36, 26,483.27 and 7,122.00

Step by Step Solution

1. Step 1: Write the proportion equation
   17,649.36 : 26,483.27 = 7,122.00 : x
2. Step 2: Convert to fraction form
   17,649.36/26,483.27 = 7,122.00/x
3. Step 3: Cross multiply
   17,649.36x = 26,483.27 × 7,122.00
4. Step 4: Simplify right side
   17,649.36x = 188,613,734.33
5. Step 5: Solve for x
   x = 188,613,734.33/17,649.36
6. Step 6: Final answer
   x = 10,686.72