Finding the Fourth Proportional to 2,372.78, 3,273.78 and 1,533.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.78 : 3,273.78 = 1,533.52 : x
2. Step 2: Convert to fraction form
   2,372.78/3,273.78 = 1,533.52/x
3. Step 3: Cross multiply
   2,372.78x = 3,273.78 × 1,533.52
4. Step 4: Simplify right side
   2,372.78x = 5,020,407.11
5. Step 5: Solve for x
   x = 5,020,407.11/2,372.78
6. Step 6: Final answer
   x = 2,115.83