Finding the Fourth Proportional to 1,899.56, 2,851.50 and 1,131.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.56 : 2,851.50 = 1,131.68 : x
2. Step 2: Convert to fraction form
   1,899.56/2,851.50 = 1,131.68/x
3. Step 3: Cross multiply
   1,899.56x = 2,851.50 × 1,131.68
4. Step 4: Simplify right side
   1,899.56x = 3,226,985.52
5. Step 5: Solve for x
   x = 3,226,985.52/1,899.56
6. Step 6: Final answer
   x = 1,698.81