Finding the Fourth Proportional to 17,499.63, 26,260.33 and 7,111.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,499.63 : 26,260.33 = 7,111.38 : x
2. Step 2: Convert to fraction form
   17,499.63/26,260.33 = 7,111.38/x
3. Step 3: Cross multiply
   17,499.63x = 26,260.33 × 7,111.38
4. Step 4: Simplify right side
   17,499.63x = 186,747,185.56
5. Step 5: Solve for x
   x = 186,747,185.56/17,499.63
6. Step 6: Final answer
   x = 10,671.49