Finding the Fourth Proportional to 2,385.48, 3,578.16 and 741.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.48 : 3,578.16 = 741.98 : x
2. Step 2: Convert to fraction form
   2,385.48/3,578.16 = 741.98/x
3. Step 3: Cross multiply
   2,385.48x = 3,578.16 × 741.98
4. Step 4: Simplify right side
   2,385.48x = 2,654,923.16
5. Step 5: Solve for x
   x = 2,654,923.16/2,385.48
6. Step 6: Final answer
   x = 1,112.95