Finding the Fourth Proportional to 2,360.58, 3,542.70 and 900.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,360.58 : 3,542.70 = 900.15 : x
2. Step 2: Convert to fraction form
   2,360.58/3,542.70 = 900.15/x
3. Step 3: Cross multiply
   2,360.58x = 3,542.70 × 900.15
4. Step 4: Simplify right side
   2,360.58x = 3,188,961.41
5. Step 5: Solve for x
   x = 3,188,961.41/2,360.58
6. Step 6: Final answer
   x = 1,350.92