Finding the Fourth Proportional to 2,374.31, 3,273.89 and 1,533.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,374.31 : 3,273.89 = 1,533.91 : x
2. Step 2: Convert to fraction form
   2,374.31/3,273.89 = 1,533.91/x
3. Step 3: Cross multiply
   2,374.31x = 3,273.89 × 1,533.91
4. Step 4: Simplify right side
   2,374.31x = 5,021,836.76
5. Step 5: Solve for x
   x = 5,021,836.76/2,374.31
6. Step 6: Final answer
   x = 2,115.07