Finding the Fourth Proportional to 22,038.61, 30,405.76 and 14,085.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,038.61 : 30,405.76 = 14,085.42 : x
2. Step 2: Convert to fraction form
   22,038.61/30,405.76 = 14,085.42/x
3. Step 3: Cross multiply
   22,038.61x = 30,405.76 × 14,085.42
4. Step 4: Simplify right side
   22,038.61x = 428,277,864.81
5. Step 5: Solve for x
   x = 428,277,864.81/22,038.61
6. Step 6: Final answer
   x = 19,433.07