Finding the Fourth Proportional to 13,592.29, 18,714.73 and 12,346.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,592.29 : 18,714.73 = 12,346.72 : x
2. Step 2: Convert to fraction form
   13,592.29/18,714.73 = 12,346.72/x
3. Step 3: Cross multiply
   13,592.29x = 18,714.73 × 12,346.72
4. Step 4: Simplify right side
   13,592.29x = 231,065,581.82
5. Step 5: Solve for x
   x = 231,065,581.82/13,592.29
6. Step 6: Final answer
   x = 16,999.76