Finding the Fourth Proportional to 2,741.60, 4,110.59 and 985.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,741.60 : 4,110.59 = 985.72 : x
2. Step 2: Convert to fraction form
   2,741.60/4,110.59 = 985.72/x
3. Step 3: Cross multiply
   2,741.60x = 4,110.59 × 985.72
4. Step 4: Simplify right side
   2,741.60x = 4,051,885.85
5. Step 5: Solve for x
   x = 4,051,885.85/2,741.60
6. Step 6: Final answer
   x = 1,477.93