Finding the Fourth Proportional to 1,518.32, 2,268.06 and 1,272.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.32 : 2,268.06 = 1,272.28 : x
2. Step 2: Convert to fraction form
   1,518.32/2,268.06 = 1,272.28/x
3. Step 3: Cross multiply
   1,518.32x = 2,268.06 × 1,272.28
4. Step 4: Simplify right side
   1,518.32x = 2,885,607.38
5. Step 5: Solve for x
   x = 2,885,607.38/1,518.32
6. Step 6: Final answer
   x = 1,900.53