Finding the Fourth Proportional to 1,877.96, 2,591.22 and 1,131.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,877.96 : 2,591.22 = 1,131.94 : x
2. Step 2: Convert to fraction form
   1,877.96/2,591.22 = 1,131.94/x
3. Step 3: Cross multiply
   1,877.96x = 2,591.22 × 1,131.94
4. Step 4: Simplify right side
   1,877.96x = 2,933,105.57
5. Step 5: Solve for x
   x = 2,933,105.57/1,877.96
6. Step 6: Final answer
   x = 1,561.86