Finding the Fourth Proportional to 2,103.02, 2,902.04 and 1,158.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.02 : 2,902.04 = 1,158.77 : x
2. Step 2: Convert to fraction form
   2,103.02/2,902.04 = 1,158.77/x
3. Step 3: Cross multiply
   2,103.02x = 2,902.04 × 1,158.77
4. Step 4: Simplify right side
   2,103.02x = 3,362,796.89
5. Step 5: Solve for x
   x = 3,362,796.89/2,103.02
6. Step 6: Final answer
   x = 1,599.04