Finding the Fourth Proportional to 2,106.42, 3,159.97 and 700.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.42 : 3,159.97 = 700.89 : x
2. Step 2: Convert to fraction form
   2,106.42/3,159.97 = 700.89/x
3. Step 3: Cross multiply
   2,106.42x = 3,159.97 × 700.89
4. Step 4: Simplify right side
   2,106.42x = 2,214,791.37
5. Step 5: Solve for x
   x = 2,214,791.37/2,106.42
6. Step 6: Final answer
   x = 1,051.45