Finding the Fourth Proportional to 13,601.41, 18,770.28 and 7,633.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,601.41 : 18,770.28 = 7,633.55 : x
2. Step 2: Convert to fraction form
   13,601.41/18,770.28 = 7,633.55/x
3. Step 3: Cross multiply
   13,601.41x = 18,770.28 × 7,633.55
4. Step 4: Simplify right side
   13,601.41x = 143,283,870.89
5. Step 5: Solve for x
   x = 143,283,870.89/13,601.41
6. Step 6: Final answer
   x = 10,534.49