Finding the Fourth Proportional to 1,961.05, 2,706.06 and 1,175.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,961.05 : 2,706.06 = 1,175.08 : x
2. Step 2: Convert to fraction form
   1,961.05/2,706.06 = 1,175.08/x
3. Step 3: Cross multiply
   1,961.05x = 2,706.06 × 1,175.08
4. Step 4: Simplify right side
   1,961.05x = 3,179,836.98
5. Step 5: Solve for x
   x = 3,179,836.98/1,961.05
6. Step 6: Final answer
   x = 1,621.50