Finding the Fourth Proportional to 2,801.52, 4,203.81 and 1,158.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.52 : 4,203.81 = 1,158.21 : x
2. Step 2: Convert to fraction form
   2,801.52/4,203.81 = 1,158.21/x
3. Step 3: Cross multiply
   2,801.52x = 4,203.81 × 1,158.21
4. Step 4: Simplify right side
   2,801.52x = 4,868,894.78
5. Step 5: Solve for x
   x = 4,868,894.78/2,801.52
6. Step 6: Final answer
   x = 1,737.95