Finding the Fourth Proportional to 2,929.57, 4,042.89 and 1,810.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,929.57 : 4,042.89 = 1,810.55 : x
2. Step 2: Convert to fraction form
   2,929.57/4,042.89 = 1,810.55/x
3. Step 3: Cross multiply
   2,929.57x = 4,042.89 × 1,810.55
4. Step 4: Simplify right side
   2,929.57x = 7,319,864.60
5. Step 5: Solve for x
   x = 7,319,864.60/2,929.57
6. Step 6: Final answer
   x = 2,498.62