Finding the Fourth Proportional to 2,152.48, 2,970.56 and 1,208.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.48 : 2,970.56 = 1,208.34 : x
2. Step 2: Convert to fraction form
   2,152.48/2,970.56 = 1,208.34/x
3. Step 3: Cross multiply
   2,152.48x = 2,970.56 × 1,208.34
4. Step 4: Simplify right side
   2,152.48x = 3,589,446.47
5. Step 5: Solve for x
   x = 3,589,446.47/2,152.48
6. Step 6: Final answer
   x = 1,667.59