Finding the Fourth Proportional to 2,375.76, 3,276.72 and 1,535.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.76 : 3,276.72 = 1,535.88 : x
2. Step 2: Convert to fraction form
   2,375.76/3,276.72 = 1,535.88/x
3. Step 3: Cross multiply
   2,375.76x = 3,276.72 × 1,535.88
4. Step 4: Simplify right side
   2,375.76x = 5,032,648.71
5. Step 5: Solve for x
   x = 5,032,648.71/2,375.76
6. Step 6: Final answer
   x = 2,118.33