Finding the Fourth Proportional to 2,931.86, 4,053.78 and 2,562.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931.86 : 4,053.78 = 2,562.84 : x
2. Step 2: Convert to fraction form
   2,931.86/4,053.78 = 2,562.84/x
3. Step 3: Cross multiply
   2,931.86x = 4,053.78 × 2,562.84
4. Step 4: Simplify right side
   2,931.86x = 10,389,189.54
5. Step 5: Solve for x
   x = 10,389,189.54/2,931.86
6. Step 6: Final answer
   x = 3,543.55