Finding the Fourth Proportional to 1,865.00, 2,571.91 and 1,202.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865.00 : 2,571.91 = 1,202.06 : x
2. Step 2: Convert to fraction form
   1,865.00/2,571.91 = 1,202.06/x
3. Step 3: Cross multiply
   1,865.00x = 2,571.91 × 1,202.06
4. Step 4: Simplify right side
   1,865.00x = 3,091,593.56
5. Step 5: Solve for x
   x = 3,091,593.56/1,865.00
6. Step 6: Final answer
   x = 1,657.69