Finding the Fourth Proportional to 2,106.06, 3,152.61 and 1,242.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.06 : 3,152.61 = 1,242.06 : x
2. Step 2: Convert to fraction form
   2,106.06/3,152.61 = 1,242.06/x
3. Step 3: Cross multiply
   2,106.06x = 3,152.61 × 1,242.06
4. Step 4: Simplify right side
   2,106.06x = 3,915,730.78
5. Step 5: Solve for x
   x = 3,915,730.78/2,106.06
6. Step 6: Final answer
   x = 1,859.27