Finding the Fourth Proportional to 2,903.31, 4,352.81 and 1,748.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,903.31 : 4,352.81 = 1,748.79 : x
2. Step 2: Convert to fraction form
   2,903.31/4,352.81 = 1,748.79/x
3. Step 3: Cross multiply
   2,903.31x = 4,352.81 × 1,748.79
4. Step 4: Simplify right side
   2,903.31x = 7,612,141.86
5. Step 5: Solve for x
   x = 7,612,141.86/2,903.31
6. Step 6: Final answer
   x = 2,621.88