Finding the Fourth Proportional to 2,530.86, 3,790.76 and 2,087.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.86 : 3,790.76 = 2,087.14 : x
2. Step 2: Convert to fraction form
   2,530.86/3,790.76 = 2,087.14/x
3. Step 3: Cross multiply
   2,530.86x = 3,790.76 × 2,087.14
4. Step 4: Simplify right side
   2,530.86x = 7,911,846.83
5. Step 5: Solve for x
   x = 7,911,846.83/2,530.86
6. Step 6: Final answer
   x = 3,126.15