Finding the Fourth Proportional to 13,622.18, 18,799.16 and 7,653.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,622.18 : 18,799.16 = 7,653.83 : x
2. Step 2: Convert to fraction form
   13,622.18/18,799.16 = 7,653.83/x
3. Step 3: Cross multiply
   13,622.18x = 18,799.16 × 7,653.83
4. Step 4: Simplify right side
   13,622.18x = 143,885,442.52
5. Step 5: Solve for x
   x = 143,885,442.52/13,622.18
6. Step 6: Final answer
   x = 10,562.59