Finding the Fourth Proportional to 22,094.77, 30,491.90 and 12,663.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,094.77 : 30,491.90 = 12,663.31 : x
2. Step 2: Convert to fraction form
   22,094.77/30,491.90 = 12,663.31/x
3. Step 3: Cross multiply
   22,094.77x = 30,491.90 × 12,663.31
4. Step 4: Simplify right side
   22,094.77x = 386,128,382.19
5. Step 5: Solve for x
   x = 386,128,382.19/22,094.77
6. Step 6: Final answer
   x = 17,476.01