Finding the Fourth Proportional to 2,042.55, 3,064.30 and 1,117.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.55 : 3,064.30 = 1,117.87 : x
2. Step 2: Convert to fraction form
   2,042.55/3,064.30 = 1,117.87/x
3. Step 3: Cross multiply
   2,042.55x = 3,064.30 × 1,117.87
4. Step 4: Simplify right side
   2,042.55x = 3,425,478.59
5. Step 5: Solve for x
   x = 3,425,478.59/2,042.55
6. Step 6: Final answer
   x = 1,677.06