Finding the Fourth Proportional to 2,070.74, 3,103.18 and 1,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.74 : 3,103.18 = 1,146.72 : x
2. Step 2: Convert to fraction form
   2,070.74/3,103.18 = 1,146.72/x
3. Step 3: Cross multiply
   2,070.74x = 3,103.18 × 1,146.72
4. Step 4: Simplify right side
   2,070.74x = 3,558,478.57
5. Step 5: Solve for x
   x = 3,558,478.57/2,070.74
6. Step 6: Final answer
   x = 1,718.46