Finding the Fourth Proportional to 2,378.00, 3,280.83 and 1,539.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378.00 : 3,280.83 = 1,539.76 : x
2. Step 2: Convert to fraction form
   2,378.00/3,280.83 = 1,539.76/x
3. Step 3: Cross multiply
   2,378.00x = 3,280.83 × 1,539.76
4. Step 4: Simplify right side
   2,378.00x = 5,051,674.40
5. Step 5: Solve for x
   x = 5,051,674.40/2,378.00
6. Step 6: Final answer
   x = 2,124.34