Finding the Fourth Proportional to 3,116.52, 4,300.20 and 1,858.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116.52 : 4,300.20 = 1,858.14 : x
2. Step 2: Convert to fraction form
   3,116.52/4,300.20 = 1,858.14/x
3. Step 3: Cross multiply
   3,116.52x = 4,300.20 × 1,858.14
4. Step 4: Simplify right side
   3,116.52x = 7,990,373.63
5. Step 5: Solve for x
   x = 7,990,373.63/3,116.52
6. Step 6: Final answer
   x = 2,563.88