Finding the Fourth Proportional to 1,950.83, 2,691.86 and 1,153.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,950.83 : 2,691.86 = 1,153.72 : x
2. Step 2: Convert to fraction form
   1,950.83/2,691.86 = 1,153.72/x
3. Step 3: Cross multiply
   1,950.83x = 2,691.86 × 1,153.72
4. Step 4: Simplify right side
   1,950.83x = 3,105,645.99
5. Step 5: Solve for x
   x = 3,105,645.99/1,950.83
6. Step 6: Final answer
   x = 1,591.96