Finding the Fourth Proportional to 12,141.82, 18,207.94 and 5,899.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,141.82 : 18,207.94 = 5,899.98 : x
2. Step 2: Convert to fraction form
   12,141.82/18,207.94 = 5,899.98/x
3. Step 3: Cross multiply
   12,141.82x = 18,207.94 × 5,899.98
4. Step 4: Simplify right side
   12,141.82x = 107,426,546.43
5. Step 5: Solve for x
   x = 107,426,546.43/12,141.82
6. Step 6: Final answer
   x = 8,847.65