Finding the Fourth Proportional to 2,128.30, 2,937.17 and 1,232.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.30 : 2,937.17 = 1,232.19 : x
2. Step 2: Convert to fraction form
   2,128.30/2,937.17 = 1,232.19/x
3. Step 3: Cross multiply
   2,128.30x = 2,937.17 × 1,232.19
4. Step 4: Simplify right side
   2,128.30x = 3,619,151.50
5. Step 5: Solve for x
   x = 3,619,151.50/2,128.30
6. Step 6: Final answer
   x = 1,700.49