Finding the Fourth Proportional to 2,059.98, 3,090.33 and 1,238.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.98 : 3,090.33 = 1,238.46 : x
2. Step 2: Convert to fraction form
   2,059.98/3,090.33 = 1,238.46/x
3. Step 3: Cross multiply
   2,059.98x = 3,090.33 × 1,238.46
4. Step 4: Simplify right side
   2,059.98x = 3,827,250.09
5. Step 5: Solve for x
   x = 3,827,250.09/2,059.98
6. Step 6: Final answer
   x = 1,857.91