Finding the Fourth Proportional to 1,366.71, 1,886.94 and 1,051.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366.71 : 1,886.94 = 1,051.35 : x
2. Step 2: Convert to fraction form
   1,366.71/1,886.94 = 1,051.35/x
3. Step 3: Cross multiply
   1,366.71x = 1,886.94 × 1,051.35
4. Step 4: Simplify right side
   1,366.71x = 1,983,834.37
5. Step 5: Solve for x
   x = 1,983,834.37/1,366.71
6. Step 6: Final answer
   x = 1,451.54