Finding the Fourth Proportional to 13,602.29, 18,770.85 and 7,633.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,602.29 : 18,770.85 = 7,633.82 : x
2. Step 2: Convert to fraction form
   13,602.29/18,770.85 = 7,633.82/x
3. Step 3: Cross multiply
   13,602.29x = 18,770.85 × 7,633.82
4. Step 4: Simplify right side
   13,602.29x = 143,293,290.15
5. Step 5: Solve for x
   x = 143,293,290.15/13,602.29
6. Step 6: Final answer
   x = 10,534.50