Finding the Fourth Proportional to 21,014.00, 31,531.01 and 13,114.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,014.00 : 31,531.01 = 13,114.37 : x
2. Step 2: Convert to fraction form
   21,014.00/31,531.01 = 13,114.37/x
3. Step 3: Cross multiply
   21,014.00x = 31,531.01 × 13,114.37
4. Step 4: Simplify right side
   21,014.00x = 413,509,108.39
5. Step 5: Solve for x
   x = 413,509,108.39/21,014.00
6. Step 6: Final answer
   x = 19,677.80