Finding the Fourth Proportional to 2,141.50, 2,955.27 and 1,210

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.50 : 2,955.27 = 1,210 : x
2. Step 2: Convert to fraction form
   2,141.50/2,955.27 = 1,210/x
3. Step 3: Cross multiply
   2,141.50x = 2,955.27 × 1,210
4. Step 4: Simplify right side
   2,141.50x = 3,575,876.70
5. Step 5: Solve for x
   x = 3,575,876.70/2,141.50
6. Step 6: Final answer
   x = 1,669.80