Finding the Fourth Proportional to 11,603.34, 17,375.82 and 8,314.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,603.34 : 17,375.82 = 8,314.74 : x
2. Step 2: Convert to fraction form
   11,603.34/17,375.82 = 8,314.74/x
3. Step 3: Cross multiply
   11,603.34x = 17,375.82 × 8,314.74
4. Step 4: Simplify right side
   11,603.34x = 144,475,425.59
5. Step 5: Solve for x
   x = 144,475,425.59/11,603.34
6. Step 6: Final answer
   x = 12,451.19