Finding the Fourth Proportional to 2,128.60, 2,937.27 and 1,184.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.60 : 2,937.27 = 1,184.30 : x
2. Step 2: Convert to fraction form
   2,128.60/2,937.27 = 1,184.30/x
3. Step 3: Cross multiply
   2,128.60x = 2,937.27 × 1,184.30
4. Step 4: Simplify right side
   2,128.60x = 3,478,602.94
5. Step 5: Solve for x
   x = 3,478,602.94/2,128.60
6. Step 6: Final answer
   x = 1,634.22