Finding the Fourth Proportional to 2,377.86, 3,566.07 and 838.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.86 : 3,566.07 = 838.50 : x
2. Step 2: Convert to fraction form
   2,377.86/3,566.07 = 838.50/x
3. Step 3: Cross multiply
   2,377.86x = 3,566.07 × 838.50
4. Step 4: Simplify right side
   2,377.86x = 2,990,149.70
5. Step 5: Solve for x
   x = 2,990,149.70/2,377.86
6. Step 6: Final answer
   x = 1,257.50