Finding the Fourth Proportional to 2,801.03, 4,200.86 and 1,158.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.03 : 4,200.86 = 1,158.05 : x
2. Step 2: Convert to fraction form
   2,801.03/4,200.86 = 1,158.05/x
3. Step 3: Cross multiply
   2,801.03x = 4,200.86 × 1,158.05
4. Step 4: Simplify right side
   2,801.03x = 4,864,795.69
5. Step 5: Solve for x
   x = 4,864,795.69/2,801.03
6. Step 6: Final answer
   x = 1,736.79