Finding the Fourth Proportional to 13,003.57, 17,945.18 and 7,337.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.57 : 17,945.18 = 7,337.22 : x
2. Step 2: Convert to fraction form
   13,003.57/17,945.18 = 7,337.22/x
3. Step 3: Cross multiply
   13,003.57x = 17,945.18 × 7,337.22
4. Step 4: Simplify right side
   13,003.57x = 131,667,657.13
5. Step 5: Solve for x
   x = 131,667,657.13/13,003.57
6. Step 6: Final answer
   x = 10,125.50