Finding the Fourth Proportional to 1,914.71, 2,870.47 and 1,760.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.71 : 2,870.47 = 1,760.96 : x
2. Step 2: Convert to fraction form
   1,914.71/2,870.47 = 1,760.96/x
3. Step 3: Cross multiply
   1,914.71x = 2,870.47 × 1,760.96
4. Step 4: Simplify right side
   1,914.71x = 5,054,785.62
5. Step 5: Solve for x
   x = 5,054,785.62/1,914.71
6. Step 6: Final answer
   x = 2,639.98