Finding the Fourth Proportional to 2,146.60, 2,962.50 and 1,261.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.60 : 2,962.50 = 1,261.96 : x
2. Step 2: Convert to fraction form
   2,146.60/2,962.50 = 1,261.96/x
3. Step 3: Cross multiply
   2,146.60x = 2,962.50 × 1,261.96
4. Step 4: Simplify right side
   2,146.60x = 3,738,556.50
5. Step 5: Solve for x
   x = 3,738,556.50/2,146.60
6. Step 6: Final answer
   x = 1,741.62