Finding the Fourth Proportional to 1,954.27, 2,696.59 and 1,115.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,954.27 : 2,696.59 = 1,115.02 : x
2. Step 2: Convert to fraction form
   1,954.27/2,696.59 = 1,115.02/x
3. Step 3: Cross multiply
   1,954.27x = 2,696.59 × 1,115.02
4. Step 4: Simplify right side
   1,954.27x = 3,006,751.78
5. Step 5: Solve for x
   x = 3,006,751.78/1,954.27
6. Step 6: Final answer
   x = 1,538.55