Finding the Fourth Proportional to 16,073.72, 24,090.06 and 13,985

Step by Step Solution

1. Step 1: Write the proportion equation
   16,073.72 : 24,090.06 = 13,985 : x
2. Step 2: Convert to fraction form
   16,073.72/24,090.06 = 13,985/x
3. Step 3: Cross multiply
   16,073.72x = 24,090.06 × 13,985
4. Step 4: Simplify right side
   16,073.72x = 336,899,489.10
5. Step 5: Solve for x
   x = 336,899,489.10/16,073.72
6. Step 6: Final answer
   x = 20,959.65