Finding the Fourth Proportional to 13,270.41, 19,861.86 and 7,338.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,270.41 : 19,861.86 = 7,338.17 : x
2. Step 2: Convert to fraction form
   13,270.41/19,861.86 = 7,338.17/x
3. Step 3: Cross multiply
   13,270.41x = 19,861.86 × 7,338.17
4. Step 4: Simplify right side
   13,270.41x = 145,749,705.20
5. Step 5: Solve for x
   x = 145,749,705.20/13,270.41
6. Step 6: Final answer
   x = 10,983.06