Finding the Fourth Proportional to 13,194.78, 19,790.34 and 3,333.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,194.78 : 19,790.34 = 3,333.46 : x
2. Step 2: Convert to fraction form
   13,194.78/19,790.34 = 3,333.46/x
3. Step 3: Cross multiply
   13,194.78x = 19,790.34 × 3,333.46
4. Step 4: Simplify right side
   13,194.78x = 65,970,306.78
5. Step 5: Solve for x
   x = 65,970,306.78/13,194.78
6. Step 6: Final answer
   x = 4,999.73