Finding the Fourth Proportional to 20,114.10, 30,113.55 and 17,810.10

Step by Step Solution

1. Step 1: Write the proportion equation
   20,114.10 : 30,113.55 = 17,810.10 : x
2. Step 2: Convert to fraction form
   20,114.10/30,113.55 = 17,810.10/x
3. Step 3: Cross multiply
   20,114.10x = 30,113.55 × 17,810.10
4. Step 4: Simplify right side
   20,114.10x = 536,325,336.86
5. Step 5: Solve for x
   x = 536,325,336.86/20,114.10
6. Step 6: Final answer
   x = 26,664.15