Finding the Fourth Proportional to 3,065.60, 4,229.39 and 1,870.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,065.60 : 4,229.39 = 1,870.18 : x
2. Step 2: Convert to fraction form
   3,065.60/4,229.39 = 1,870.18/x
3. Step 3: Cross multiply
   3,065.60x = 4,229.39 × 1,870.18
4. Step 4: Simplify right side
   3,065.60x = 7,909,714.69
5. Step 5: Solve for x
   x = 7,909,714.69/3,065.60
6. Step 6: Final answer
   x = 2,580.15