Finding the Fourth Proportional to 11,603.40, 16,012.71 and 6,298.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,603.40 : 16,012.71 = 6,298.22 : x
2. Step 2: Convert to fraction form
   11,603.40/16,012.71 = 6,298.22/x
3. Step 3: Cross multiply
   11,603.40x = 16,012.71 × 6,298.22
4. Step 4: Simplify right side
   11,603.40x = 100,851,458.82
5. Step 5: Solve for x
   x = 100,851,458.82/11,603.40
6. Step 6: Final answer
   x = 8,691.55