Finding the Fourth Proportional to 1,346.56, 1,855.71 and 1,051.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.56 : 1,855.71 = 1,051.31 : x
2. Step 2: Convert to fraction form
   1,346.56/1,855.71 = 1,051.31/x
3. Step 3: Cross multiply
   1,346.56x = 1,855.71 × 1,051.31
4. Step 4: Simplify right side
   1,346.56x = 1,950,931.12
5. Step 5: Solve for x
   x = 1,950,931.12/1,346.56
6. Step 6: Final answer
   x = 1,448.83