Finding the Fourth Proportional to 2,130.00, 2,939.41 and 1,245.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130.00 : 2,939.41 = 1,245.62 : x
2. Step 2: Convert to fraction form
   2,130.00/2,939.41 = 1,245.62/x
3. Step 3: Cross multiply
   2,130.00x = 2,939.41 × 1,245.62
4. Step 4: Simplify right side
   2,130.00x = 3,661,387.88
5. Step 5: Solve for x
   x = 3,661,387.88/2,130.00
6. Step 6: Final answer
   x = 1,718.97