Finding the Fourth Proportional to 1,866.56, 2,574.72 and 1,202.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866.56 : 2,574.72 = 1,202.36 : x
2. Step 2: Convert to fraction form
   1,866.56/2,574.72 = 1,202.36/x
3. Step 3: Cross multiply
   1,866.56x = 2,574.72 × 1,202.36
4. Step 4: Simplify right side
   1,866.56x = 3,095,740.34
5. Step 5: Solve for x
   x = 3,095,740.34/1,866.56
6. Step 6: Final answer
   x = 1,658.53