Finding the Fourth Proportional to 22,553.54, 31,118.28 and 13,606.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,553.54 : 31,118.28 = 13,606.28 : x
2. Step 2: Convert to fraction form
   22,553.54/31,118.28 = 13,606.28/x
3. Step 3: Cross multiply
   22,553.54x = 31,118.28 × 13,606.28
4. Step 4: Simplify right side
   22,553.54x = 423,404,030.80
5. Step 5: Solve for x
   x = 423,404,030.80/22,553.54
6. Step 6: Final answer
   x = 18,773.28