Finding the Fourth Proportional to 1,975.50, 2,725.83 and 1,276.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,975.50 : 2,725.83 = 1,276.47 : x
2. Step 2: Convert to fraction form
   1,975.50/2,725.83 = 1,276.47/x
3. Step 3: Cross multiply
   1,975.50x = 2,725.83 × 1,276.47
4. Step 4: Simplify right side
   1,975.50x = 3,479,440.22
5. Step 5: Solve for x
   x = 3,479,440.22/1,975.50
6. Step 6: Final answer
   x = 1,761.30