Finding the Fourth Proportional to 2,377.59, 3,566.58 and 1,191.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.59 : 3,566.58 = 1,191.21 : x
2. Step 2: Convert to fraction form
   2,377.59/3,566.58 = 1,191.21/x
3. Step 3: Cross multiply
   2,377.59x = 3,566.58 × 1,191.21
4. Step 4: Simplify right side
   2,377.59x = 4,248,545.76
5. Step 5: Solve for x
   x = 4,248,545.76/2,377.59
6. Step 6: Final answer
   x = 1,786.91