Finding the Fourth Proportional to 2,112.58, 3,170.18 and 1,437.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.58 : 3,170.18 = 1,437.85 : x
2. Step 2: Convert to fraction form
   2,112.58/3,170.18 = 1,437.85/x
3. Step 3: Cross multiply
   2,112.58x = 3,170.18 × 1,437.85
4. Step 4: Simplify right side
   2,112.58x = 4,558,243.31
5. Step 5: Solve for x
   x = 4,558,243.31/2,112.58
6. Step 6: Final answer
   x = 2,157.67