Finding the Fourth Proportional to 2,128.94, 2,937.83 and 1,184.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.94 : 2,937.83 = 1,184.55 : x
2. Step 2: Convert to fraction form
   2,128.94/2,937.83 = 1,184.55/x
3. Step 3: Cross multiply
   2,128.94x = 2,937.83 × 1,184.55
4. Step 4: Simplify right side
   2,128.94x = 3,480,006.53
5. Step 5: Solve for x
   x = 3,480,006.53/2,128.94
6. Step 6: Final answer
   x = 1,634.62