Finding the Fourth Proportional to 1,807.00, 2,493.65 and 1,021.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.00 : 2,493.65 = 1,021.05 : x
2. Step 2: Convert to fraction form
   1,807.00/2,493.65 = 1,021.05/x
3. Step 3: Cross multiply
   1,807.00x = 2,493.65 × 1,021.05
4. Step 4: Simplify right side
   1,807.00x = 2,546,143.89
5. Step 5: Solve for x
   x = 2,546,143.89/1,807.00
6. Step 6: Final answer
   x = 1,409.05