Finding the Fourth Proportional to 1,886.46, 2,828.32 and 1,268.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.46 : 2,828.32 = 1,268.63 : x
2. Step 2: Convert to fraction form
   1,886.46/2,828.32 = 1,268.63/x
3. Step 3: Cross multiply
   1,886.46x = 2,828.32 × 1,268.63
4. Step 4: Simplify right side
   1,886.46x = 3,588,084.89
5. Step 5: Solve for x
   x = 3,588,084.89/1,886.46
6. Step 6: Final answer
   x = 1,902.02