Finding the Fourth Proportional to 1,947.84, 2,686.46 and 1,200.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.84 : 2,686.46 = 1,200.46 : x
2. Step 2: Convert to fraction form
   1,947.84/2,686.46 = 1,200.46/x
3. Step 3: Cross multiply
   1,947.84x = 2,686.46 × 1,200.46
4. Step 4: Simplify right side
   1,947.84x = 3,224,987.77
5. Step 5: Solve for x
   x = 3,224,987.77/1,947.84
6. Step 6: Final answer
   x = 1,655.67