Finding the Fourth Proportional to 5,103.56, 7,041.71 and 2,977.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,103.56 : 7,041.71 = 2,977.82 : x
2. Step 2: Convert to fraction form
   5,103.56/7,041.71 = 2,977.82/x
3. Step 3: Cross multiply
   5,103.56x = 7,041.71 × 2,977.82
4. Step 4: Simplify right side
   5,103.56x = 20,968,894.77
5. Step 5: Solve for x
   x = 20,968,894.77/5,103.56
6. Step 6: Final answer
   x = 4,108.68