Finding the Fourth Proportional to 2,080.02, 2,870.64 and 1,195.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.02 : 2,870.64 = 1,195.86 : x
2. Step 2: Convert to fraction form
   2,080.02/2,870.64 = 1,195.86/x
3. Step 3: Cross multiply
   2,080.02x = 2,870.64 × 1,195.86
4. Step 4: Simplify right side
   2,080.02x = 3,432,883.55
5. Step 5: Solve for x
   x = 3,432,883.55/2,080.02
6. Step 6: Final answer
   x = 1,650.41