Finding the Fourth Proportional to 2,886.42, 3,985.17 and 1,768.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.42 : 3,985.17 = 1,768.50 : x
2. Step 2: Convert to fraction form
   2,886.42/3,985.17 = 1,768.50/x
3. Step 3: Cross multiply
   2,886.42x = 3,985.17 × 1,768.50
4. Step 4: Simplify right side
   2,886.42x = 7,047,773.15
5. Step 5: Solve for x
   x = 7,047,773.15/2,886.42
6. Step 6: Final answer
   x = 2,441.70