Finding the Fourth Proportional to 2,624.80, 3,621.76 and 1,505.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.80 : 3,621.76 = 1,505.92 : x
2. Step 2: Convert to fraction form
   2,624.80/3,621.76 = 1,505.92/x
3. Step 3: Cross multiply
   2,624.80x = 3,621.76 × 1,505.92
4. Step 4: Simplify right side
   2,624.80x = 5,454,080.82
5. Step 5: Solve for x
   x = 5,454,080.82/2,624.80
6. Step 6: Final answer
   x = 2,077.90