Finding the Fourth Proportional to 2,503.86, 3,756.15 and 837.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.86 : 3,756.15 = 837.42 : x
2. Step 2: Convert to fraction form
   2,503.86/3,756.15 = 837.42/x
3. Step 3: Cross multiply
   2,503.86x = 3,756.15 × 837.42
4. Step 4: Simplify right side
   2,503.86x = 3,145,475.13
5. Step 5: Solve for x
   x = 3,145,475.13/2,503.86
6. Step 6: Final answer
   x = 1,256.25