Finding the Fourth Proportional to 22,071.34, 30,463.20 and 13,580.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,071.34 : 30,463.20 = 13,580.68 : x
2. Step 2: Convert to fraction form
   22,071.34/30,463.20 = 13,580.68/x
3. Step 3: Cross multiply
   22,071.34x = 30,463.20 × 13,580.68
4. Step 4: Simplify right side
   22,071.34x = 413,710,970.98
5. Step 5: Solve for x
   x = 413,710,970.98/22,071.34
6. Step 6: Final answer
   x = 18,744.26