Finding the Fourth Proportional to 2,103.06, 2,902.18 and 1,158.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.06 : 2,902.18 = 1,158.93 : x
2. Step 2: Convert to fraction form
   2,103.06/2,902.18 = 1,158.93/x
3. Step 3: Cross multiply
   2,103.06x = 2,902.18 × 1,158.93
4. Step 4: Simplify right side
   2,103.06x = 3,363,436.35
5. Step 5: Solve for x
   x = 3,363,436.35/2,103.06
6. Step 6: Final answer
   x = 1,599.31