Finding the Fourth Proportional to 2,977.98, 4,100.27 and 2,528.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,977.98 : 4,100.27 = 2,528.93 : x
2. Step 2: Convert to fraction form
   2,977.98/4,100.27 = 2,528.93/x
3. Step 3: Cross multiply
   2,977.98x = 4,100.27 × 2,528.93
4. Step 4: Simplify right side
   2,977.98x = 10,369,262.67
5. Step 5: Solve for x
   x = 10,369,262.67/2,977.98
6. Step 6: Final answer
   x = 3,481.98