Finding the Fourth Proportional to 21,955.50, 30,290.32 and 14,406.00

Step by Step Solution

1. Step 1: Write the proportion equation
   21,955.50 : 30,290.32 = 14,406.00 : x
2. Step 2: Convert to fraction form
   21,955.50/30,290.32 = 14,406.00/x
3. Step 3: Cross multiply
   21,955.50x = 30,290.32 × 14,406.00
4. Step 4: Simplify right side
   21,955.50x = 436,362,254.34
5. Step 5: Solve for x
   x = 436,362,254.34/21,955.50
6. Step 6: Final answer
   x = 19,874.85