Finding the Fourth Proportional to 2,976.52, 4,107.50 and 1,856.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.52 : 4,107.50 = 1,856.88 : x
2. Step 2: Convert to fraction form
   2,976.52/4,107.50 = 1,856.88/x
3. Step 3: Cross multiply
   2,976.52x = 4,107.50 × 1,856.88
4. Step 4: Simplify right side
   2,976.52x = 7,627,134.60
5. Step 5: Solve for x
   x = 7,627,134.60/2,976.52
6. Step 6: Final answer
   x = 2,562.43