Finding the Fourth Proportional to 20,013.56, 30,025.27 and 14,101.99

Step by Step Solution

1. Step 1: Write the proportion equation
   20,013.56 : 30,025.27 = 14,101.99 : x
2. Step 2: Convert to fraction form
   20,013.56/30,025.27 = 14,101.99/x
3. Step 3: Cross multiply
   20,013.56x = 30,025.27 × 14,101.99
4. Step 4: Simplify right side
   20,013.56x = 423,416,089.42
5. Step 5: Solve for x
   x = 423,416,089.42/20,013.56
6. Step 6: Final answer
   x = 21,156.46