Finding the Fourth Proportional to 2,128.94, 2,938.04 and 1,184.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.94 : 2,938.04 = 1,184.74 : x
2. Step 2: Convert to fraction form
   2,128.94/2,938.04 = 1,184.74/x
3. Step 3: Cross multiply
   2,128.94x = 2,938.04 × 1,184.74
4. Step 4: Simplify right side
   2,128.94x = 3,480,813.51
5. Step 5: Solve for x
   x = 3,480,813.51/2,128.94
6. Step 6: Final answer
   x = 1,635.00