Finding the Fourth Proportional to 2,059.60, 3,089.34 and 743.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.60 : 3,089.34 = 743.35 : x
2. Step 2: Convert to fraction form
   2,059.60/3,089.34 = 743.35/x
3. Step 3: Cross multiply
   2,059.60x = 3,089.34 × 743.35
4. Step 4: Simplify right side
   2,059.60x = 2,296,460.89
5. Step 5: Solve for x
   x = 2,296,460.89/2,059.60
6. Step 6: Final answer
   x = 1,115.00