Finding the Fourth Proportional to 1,818.65, 2,504.59 and 1,654.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818.65 : 2,504.59 = 1,654.63 : x
2. Step 2: Convert to fraction form
   1,818.65/2,504.59 = 1,654.63/x
3. Step 3: Cross multiply
   1,818.65x = 2,504.59 × 1,654.63
4. Step 4: Simplify right side
   1,818.65x = 4,144,159.35
5. Step 5: Solve for x
   x = 4,144,159.35/1,818.65
6. Step 6: Final answer
   x = 2,278.70