Finding the Fourth Proportional to 3,392.50, 5,086.79 and 1,051.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,392.50 : 5,086.79 = 1,051.89 : x
2. Step 2: Convert to fraction form
   3,392.50/5,086.79 = 1,051.89/x
3. Step 3: Cross multiply
   3,392.50x = 5,086.79 × 1,051.89
4. Step 4: Simplify right side
   3,392.50x = 5,350,743.53
5. Step 5: Solve for x
   x = 5,350,743.53/3,392.50
6. Step 6: Final answer
   x = 1,577.23