Finding the Fourth Proportional to 17,971.69, 26,962.38 and 5,491.37

Step by Step Solution

1. Step 1: Write the proportion equation
   17,971.69 : 26,962.38 = 5,491.37 : x
2. Step 2: Convert to fraction form
   17,971.69/26,962.38 = 5,491.37/x
3. Step 3: Cross multiply
   17,971.69x = 26,962.38 × 5,491.37
4. Step 4: Simplify right side
   17,971.69x = 148,060,320.40
5. Step 5: Solve for x
   x = 148,060,320.40/17,971.69
6. Step 6: Final answer
   x = 8,238.53