Finding the Fourth Proportional to 13,340.58, 18,411.42 and 7,675.57

Step by Step Solution

1. Step 1: Write the proportion equation
   13,340.58 : 18,411.42 = 7,675.57 : x
2. Step 2: Convert to fraction form
   13,340.58/18,411.42 = 7,675.57/x
3. Step 3: Cross multiply
   13,340.58x = 18,411.42 × 7,675.57
4. Step 4: Simplify right side
   13,340.58x = 141,318,143.01
5. Step 5: Solve for x
   x = 141,318,143.01/13,340.58
6. Step 6: Final answer
   x = 10,593.10