Finding the Fourth Proportional to 2,318.77, 3,199.89 and 1,270.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318.77 : 3,199.89 = 1,270.84 : x
2. Step 2: Convert to fraction form
   2,318.77/3,199.89 = 1,270.84/x
3. Step 3: Cross multiply
   2,318.77x = 3,199.89 × 1,270.84
4. Step 4: Simplify right side
   2,318.77x = 4,066,548.21
5. Step 5: Solve for x
   x = 4,066,548.21/2,318.77
6. Step 6: Final answer
   x = 1,753.75