Finding the Fourth Proportional to 2,901.76, 4,354.46 and 1,235.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,901.76 : 4,354.46 = 1,235.88 : x
2. Step 2: Convert to fraction form
   2,901.76/4,354.46 = 1,235.88/x
3. Step 3: Cross multiply
   2,901.76x = 4,354.46 × 1,235.88
4. Step 4: Simplify right side
   2,901.76x = 5,381,568.25
5. Step 5: Solve for x
   x = 5,381,568.25/2,901.76
6. Step 6: Final answer
   x = 1,854.59