Finding the Fourth Proportional to 13,342.59, 18,411.50 and 7,373.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,342.59 : 18,411.50 = 7,373.30 : x
2. Step 2: Convert to fraction form
   13,342.59/18,411.50 = 7,373.30/x
3. Step 3: Cross multiply
   13,342.59x = 18,411.50 × 7,373.30
4. Step 4: Simplify right side
   13,342.59x = 135,753,384.03
5. Step 5: Solve for x
   x = 135,753,384.03/13,342.59
6. Step 6: Final answer
   x = 10,174.44