Finding the Fourth Proportional to 17,401.90, 26,106.41 and 7,406.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,401.90 : 26,106.41 = 7,406.63 : x
2. Step 2: Convert to fraction form
   17,401.90/26,106.41 = 7,406.63/x
3. Step 3: Cross multiply
   17,401.90x = 26,106.41 × 7,406.63
4. Step 4: Simplify right side
   17,401.90x = 193,360,519.50
5. Step 5: Solve for x
   x = 193,360,519.50/17,401.90
6. Step 6: Final answer
   x = 11,111.46