Finding the Fourth Proportional to 2,061.70, 3,091.94 and 1,137.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.70 : 3,091.94 = 1,137.08 : x
2. Step 2: Convert to fraction form
   2,061.70/3,091.94 = 1,137.08/x
3. Step 3: Cross multiply
   2,061.70x = 3,091.94 × 1,137.08
4. Step 4: Simplify right side
   2,061.70x = 3,515,783.14
5. Step 5: Solve for x
   x = 3,515,783.14/2,061.70
6. Step 6: Final answer
   x = 1,705.28