Finding the Fourth Proportional to 13,337.98, 18,406.58 and 7,369.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,337.98 : 18,406.58 = 7,369.59 : x
2. Step 2: Convert to fraction form
   13,337.98/18,406.58 = 7,369.59/x
3. Step 3: Cross multiply
   13,337.98x = 18,406.58 × 7,369.59
4. Step 4: Simplify right side
   13,337.98x = 135,648,947.90
5. Step 5: Solve for x
   x = 135,648,947.90/13,337.98
6. Step 6: Final answer
   x = 10,170.13