Finding the Fourth Proportional to 22,160.34, 30,580.61 and 12,088.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,160.34 : 30,580.61 = 12,088.98 : x
2. Step 2: Convert to fraction form
   22,160.34/30,580.61 = 12,088.98/x
3. Step 3: Cross multiply
   22,160.34x = 30,580.61 × 12,088.98
4. Step 4: Simplify right side
   22,160.34x = 369,688,322.23
5. Step 5: Solve for x
   x = 369,688,322.23/22,160.34
6. Step 6: Final answer
   x = 16,682.43