Finding the Fourth Proportional to 3,624.18, 5,003.76 and 2,783.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,624.18 : 5,003.76 = 2,783.37 : x
2. Step 2: Convert to fraction form
   3,624.18/5,003.76 = 2,783.37/x
3. Step 3: Cross multiply
   3,624.18x = 5,003.76 × 2,783.37
4. Step 4: Simplify right side
   3,624.18x = 13,927,300.87
5. Step 5: Solve for x
   x = 13,927,300.87/3,624.18
6. Step 6: Final answer
   x = 3,842.89