Finding the Fourth Proportional to 3,647.77, 5,033.88 and 2,156.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.77 : 5,033.88 = 2,156.93 : x
2. Step 2: Convert to fraction form
   3,647.77/5,033.88 = 2,156.93/x
3. Step 3: Cross multiply
   3,647.77x = 5,033.88 × 2,156.93
4. Step 4: Simplify right side
   3,647.77x = 10,857,720.50
5. Step 5: Solve for x
   x = 10,857,720.50/3,647.77
6. Step 6: Final answer
   x = 2,976.54