Finding the Fourth Proportional to 10,018.82, 13,813.41 and 6,427.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.82 : 13,813.41 = 6,427.45 : x
2. Step 2: Convert to fraction form
   10,018.82/13,813.41 = 6,427.45/x
3. Step 3: Cross multiply
   10,018.82x = 13,813.41 × 6,427.45
4. Step 4: Simplify right side
   10,018.82x = 88,785,002.10
5. Step 5: Solve for x
   x = 88,785,002.10/10,018.82
6. Step 6: Final answer
   x = 8,861.82