Finding the Fourth Proportional to 12,729.46, 19,090.50 and 5,333.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,729.46 : 19,090.50 = 5,333.71 : x
2. Step 2: Convert to fraction form
   12,729.46/19,090.50 = 5,333.71/x
3. Step 3: Cross multiply
   12,729.46x = 19,090.50 × 5,333.71
4. Step 4: Simplify right side
   12,729.46x = 101,823,190.76
5. Step 5: Solve for x
   x = 101,823,190.76/12,729.46
6. Step 6: Final answer
   x = 7,999.02