Finding the Fourth Proportional to 2,103.93, 3,156.39 and 1,488.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.93 : 3,156.39 = 1,488.83 : x
2. Step 2: Convert to fraction form
   2,103.93/3,156.39 = 1,488.83/x
3. Step 3: Cross multiply
   2,103.93x = 3,156.39 × 1,488.83
4. Step 4: Simplify right side
   2,103.93x = 4,699,312.34
5. Step 5: Solve for x
   x = 4,699,312.34/2,103.93
6. Step 6: Final answer
   x = 2,233.59