Finding the Fourth Proportional to 13,379.05, 18,461.34 and 7,714.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,379.05 : 18,461.34 = 7,714.01 : x
2. Step 2: Convert to fraction form
   13,379.05/18,461.34 = 7,714.01/x
3. Step 3: Cross multiply
   13,379.05x = 18,461.34 × 7,714.01
4. Step 4: Simplify right side
   13,379.05x = 142,410,961.37
5. Step 5: Solve for x
   x = 142,410,961.37/13,379.05
6. Step 6: Final answer
   x = 10,644.33