Finding the Fourth Proportional to 3,930.55, 5,895.42 and 1,333.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,930.55 : 5,895.42 = 1,333.42 : x
2. Step 2: Convert to fraction form
   3,930.55/5,895.42 = 1,333.42/x
3. Step 3: Cross multiply
   3,930.55x = 5,895.42 × 1,333.42
4. Step 4: Simplify right side
   3,930.55x = 7,861,070.94
5. Step 5: Solve for x
   x = 7,861,070.94/3,930.55
6. Step 6: Final answer
   x = 1,999.99