Finding the Fourth Proportional to 3,065.34, 4,230.18 and 1,886.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,065.34 : 4,230.18 = 1,886.16 : x
2. Step 2: Convert to fraction form
   3,065.34/4,230.18 = 1,886.16/x
3. Step 3: Cross multiply
   3,065.34x = 4,230.18 × 1,886.16
4. Step 4: Simplify right side
   3,065.34x = 7,978,796.31
5. Step 5: Solve for x
   x = 7,978,796.31/3,065.34
6. Step 6: Final answer
   x = 2,602.91