Finding the Fourth Proportional to 2,128.86, 2,937.98 and 1,184.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.86 : 2,937.98 = 1,184.73 : x
2. Step 2: Convert to fraction form
   2,128.86/2,937.98 = 1,184.73/x
3. Step 3: Cross multiply
   2,128.86x = 2,937.98 × 1,184.73
4. Step 4: Simplify right side
   2,128.86x = 3,480,713.05
5. Step 5: Solve for x
   x = 3,480,713.05/2,128.86
6. Step 6: Final answer
   x = 1,635.01