Finding the Fourth Proportional to 13,622.54, 18,799.59 and 7,654.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,622.54 : 18,799.59 = 7,654.09 : x
2. Step 2: Convert to fraction form
   13,622.54/18,799.59 = 7,654.09/x
3. Step 3: Cross multiply
   13,622.54x = 18,799.59 × 7,654.09
4. Step 4: Simplify right side
   13,622.54x = 143,893,753.82
5. Step 5: Solve for x
   x = 143,893,753.82/13,622.54
6. Step 6: Final answer
   x = 10,562.92