Finding the Fourth Proportional to 2,538.25, 3,807.86 and 1,151.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.25 : 3,807.86 = 1,151.70 : x
2. Step 2: Convert to fraction form
   2,538.25/3,807.86 = 1,151.70/x
3. Step 3: Cross multiply
   2,538.25x = 3,807.86 × 1,151.70
4. Step 4: Simplify right side
   2,538.25x = 4,385,487.56
5. Step 5: Solve for x
   x = 4,385,487.56/2,538.25
6. Step 6: Final answer
   x = 1,727.76