Finding the Fourth Proportional to 2,059.05, 3,085.53 and 945.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.05 : 3,085.53 = 945.72 : x
2. Step 2: Convert to fraction form
   2,059.05/3,085.53 = 945.72/x
3. Step 3: Cross multiply
   2,059.05x = 3,085.53 × 945.72
4. Step 4: Simplify right side
   2,059.05x = 2,918,050.98
5. Step 5: Solve for x
   x = 2,918,050.98/2,059.05
6. Step 6: Final answer
   x = 1,417.18