Finding the Fourth Proportional to 2,145.84, 2,961.54 and 1,202.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145.84 : 2,961.54 = 1,202.00 : x
2. Step 2: Convert to fraction form
   2,145.84/2,961.54 = 1,202.00/x
3. Step 3: Cross multiply
   2,145.84x = 2,961.54 × 1,202.00
4. Step 4: Simplify right side
   2,145.84x = 3,559,756.27
5. Step 5: Solve for x
   x = 3,559,756.27/2,145.84
6. Step 6: Final answer
   x = 1,658.91