Finding the Fourth Proportional to 1,870.27, 2,803.62 and 699.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.27 : 2,803.62 = 699.96 : x
2. Step 2: Convert to fraction form
   1,870.27/2,803.62 = 699.96/x
3. Step 3: Cross multiply
   1,870.27x = 2,803.62 × 699.96
4. Step 4: Simplify right side
   1,870.27x = 1,962,421.86
5. Step 5: Solve for x
   x = 1,962,421.86/1,870.27
6. Step 6: Final answer
   x = 1,049.27