Finding the Fourth Proportional to 2,959.59, 4,436.29 and 1,109.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,959.59 : 4,436.29 = 1,109.91 : x
2. Step 2: Convert to fraction form
   2,959.59/4,436.29 = 1,109.91/x
3. Step 3: Cross multiply
   2,959.59x = 4,436.29 × 1,109.91
4. Step 4: Simplify right side
   2,959.59x = 4,923,882.63
5. Step 5: Solve for x
   x = 4,923,882.63/2,959.59
6. Step 6: Final answer
   x = 1,663.70