Finding the Fourth Proportional to 17,399.90, 26,103.41 and 7,404.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,399.90 : 26,103.41 = 7,404.63 : x
2. Step 2: Convert to fraction form
   17,399.90/26,103.41 = 7,404.63/x
3. Step 3: Cross multiply
   17,399.90x = 26,103.41 × 7,404.63
4. Step 4: Simplify right side
   17,399.90x = 193,286,055.77
5. Step 5: Solve for x
   x = 193,286,055.77/17,399.90
6. Step 6: Final answer
   x = 11,108.46