Finding the Fourth Proportional to 2,034.93, 2,807.12 and 1,238.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.93 : 2,807.12 = 1,238.50 : x
2. Step 2: Convert to fraction form
   2,034.93/2,807.12 = 1,238.50/x
3. Step 3: Cross multiply
   2,034.93x = 2,807.12 × 1,238.50
4. Step 4: Simplify right side
   2,034.93x = 3,476,618.12
5. Step 5: Solve for x
   x = 3,476,618.12/2,034.93
6. Step 6: Final answer
   x = 1,708.47