Finding the Fourth Proportional to 3,112.42, 4,663.59 and 1,956.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,112.42 : 4,663.59 = 1,956.10 : x
2. Step 2: Convert to fraction form
   3,112.42/4,663.59 = 1,956.10/x
3. Step 3: Cross multiply
   3,112.42x = 4,663.59 × 1,956.10
4. Step 4: Simplify right side
   3,112.42x = 9,122,448.40
5. Step 5: Solve for x
   x = 9,122,448.40/3,112.42
6. Step 6: Final answer
   x = 2,930.98