Finding the Fourth Proportional to 2,064.32, 2,847.84 and 1,236.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.32 : 2,847.84 = 1,236.16 : x
2. Step 2: Convert to fraction form
   2,064.32/2,847.84 = 1,236.16/x
3. Step 3: Cross multiply
   2,064.32x = 2,847.84 × 1,236.16
4. Step 4: Simplify right side
   2,064.32x = 3,520,385.89
5. Step 5: Solve for x
   x = 3,520,385.89/2,064.32
6. Step 6: Final answer
   x = 1,705.35