Finding the Fourth Proportional to 3,103.12, 4,648.52 and 1,870.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,103.12 : 4,648.52 = 1,870.88 : x
2. Step 2: Convert to fraction form
   3,103.12/4,648.52 = 1,870.88/x
3. Step 3: Cross multiply
   3,103.12x = 4,648.52 × 1,870.88
4. Step 4: Simplify right side
   3,103.12x = 8,696,823.10
5. Step 5: Solve for x
   x = 8,696,823.10/3,103.12
6. Step 6: Final answer
   x = 2,802.61