Finding the Fourth Proportional to 16,820.37, 23,211 and 10,102.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,820.37 : 23,211 = 10,102.01 : x
2. Step 2: Convert to fraction form
   16,820.37/23,211 = 10,102.01/x
3. Step 3: Cross multiply
   16,820.37x = 23,211 × 10,102.01
4. Step 4: Simplify right side
   16,820.37x = 234,477,638.06
5. Step 5: Solve for x
   x = 234,477,638.06/16,820.37
6. Step 6: Final answer
   x = 13,940.10