Finding the Fourth Proportional to 1,950.87, 2,691.89 and 1,111.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,950.87 : 2,691.89 = 1,111.59 : x
2. Step 2: Convert to fraction form
   1,950.87/2,691.89 = 1,111.59/x
3. Step 3: Cross multiply
   1,950.87x = 2,691.89 × 1,111.59
4. Step 4: Simplify right side
   1,950.87x = 2,992,276.62
5. Step 5: Solve for x
   x = 2,992,276.62/1,950.87
6. Step 6: Final answer
   x = 1,533.81