Finding the Fourth Proportional to 1,808.76, 2,714.28 and 699.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.76 : 2,714.28 = 699.12 : x
2. Step 2: Convert to fraction form
   1,808.76/2,714.28 = 699.12/x
3. Step 3: Cross multiply
   1,808.76x = 2,714.28 × 699.12
4. Step 4: Simplify right side
   1,808.76x = 1,897,607.43
5. Step 5: Solve for x
   x = 1,897,607.43/1,808.76
6. Step 6: Final answer
   x = 1,049.12