Finding the Fourth Proportional to 1,911.86, 2,635.58 and 1,351.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,911.86 : 2,635.58 = 1,351.34 : x
2. Step 2: Convert to fraction form
   1,911.86/2,635.58 = 1,351.34/x
3. Step 3: Cross multiply
   1,911.86x = 2,635.58 × 1,351.34
4. Step 4: Simplify right side
   1,911.86x = 3,561,567.89
5. Step 5: Solve for x
   x = 3,561,567.89/1,911.86
6. Step 6: Final answer
   x = 1,862.88