Finding the Fourth Proportional to 22,157.61, 30,577.59 and 12,085.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,157.61 : 30,577.59 = 12,085.98 : x
2. Step 2: Convert to fraction form
   22,157.61/30,577.59 = 12,085.98/x
3. Step 3: Cross multiply
   22,157.61x = 30,577.59 × 12,085.98
4. Step 4: Simplify right side
   22,157.61x = 369,560,141.19
5. Step 5: Solve for x
   x = 369,560,141.19/22,157.61
6. Step 6: Final answer
   x = 16,678.70