Finding the Fourth Proportional to 1,933.31, 2,900.54 and 1,112.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.31 : 2,900.54 = 1,112.18 : x
2. Step 2: Convert to fraction form
   1,933.31/2,900.54 = 1,112.18/x
3. Step 3: Cross multiply
   1,933.31x = 2,900.54 × 1,112.18
4. Step 4: Simplify right side
   1,933.31x = 3,225,910.85
5. Step 5: Solve for x
   x = 3,225,910.85/1,933.31
6. Step 6: Final answer
   x = 1,668.59