Finding the Fourth Proportional to 3,978.55, 5,977.01 and 2,502.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.55 : 5,977.01 = 2,502.37 : x
2. Step 2: Convert to fraction form
   3,978.55/5,977.01 = 2,502.37/x
3. Step 3: Cross multiply
   3,978.55x = 5,977.01 × 2,502.37
4. Step 4: Simplify right side
   3,978.55x = 14,956,690.51
5. Step 5: Solve for x
   x = 14,956,690.51/3,978.55
6. Step 6: Final answer
   x = 3,759.33