Finding the Fourth Proportional to 1,654.59, 2,279.43 and 1,156.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.59 : 2,279.43 = 1,156.35 : x
2. Step 2: Convert to fraction form
   1,654.59/2,279.43 = 1,156.35/x
3. Step 3: Cross multiply
   1,654.59x = 2,279.43 × 1,156.35
4. Step 4: Simplify right side
   1,654.59x = 2,635,818.88
5. Step 5: Solve for x
   x = 2,635,818.88/1,654.59
6. Step 6: Final answer
   x = 1,593.03