Finding the Fourth Proportional to 2,152.13, 2,964.08 and 1,857.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.13 : 2,964.08 = 1,857.29 : x
2. Step 2: Convert to fraction form
   2,152.13/2,964.08 = 1,857.29/x
3. Step 3: Cross multiply
   2,152.13x = 2,964.08 × 1,857.29
4. Step 4: Simplify right side
   2,152.13x = 5,505,146.86
5. Step 5: Solve for x
   x = 5,505,146.86/2,152.13
6. Step 6: Final answer
   x = 2,558.00