Finding the Fourth Proportional to 25,021.09, 37,471.83 and 13,900.20

Step by Step Solution

1. Step 1: Write the proportion equation
   25,021.09 : 37,471.83 = 13,900.20 : x
2. Step 2: Convert to fraction form
   25,021.09/37,471.83 = 13,900.20/x
3. Step 3: Cross multiply
   25,021.09x = 37,471.83 × 13,900.20
4. Step 4: Simplify right side
   25,021.09x = 520,865,931.37
5. Step 5: Solve for x
   x = 520,865,931.37/25,021.09
6. Step 6: Final answer
   x = 20,817.08