Finding the Fourth Proportional to 2,654.19, 3,981.30 and 1,356.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.19 : 3,981.30 = 1,356.57 : x
2. Step 2: Convert to fraction form
   2,654.19/3,981.30 = 1,356.57/x
3. Step 3: Cross multiply
   2,654.19x = 3,981.30 × 1,356.57
4. Step 4: Simplify right side
   2,654.19x = 5,400,892.23
5. Step 5: Solve for x
   x = 5,400,892.23/2,654.19
6. Step 6: Final answer
   x = 2,034.86