Finding the Fourth Proportional to 2,147.22, 2,962.50 and 1,202.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.22 : 2,962.50 = 1,202.89 : x
2. Step 2: Convert to fraction form
   2,147.22/2,962.50 = 1,202.89/x
3. Step 3: Cross multiply
   2,147.22x = 2,962.50 × 1,202.89
4. Step 4: Simplify right side
   2,147.22x = 3,563,549.71
5. Step 5: Solve for x
   x = 3,563,549.71/2,147.22
6. Step 6: Final answer
   x = 1,659.61