Finding the Fourth Proportional to 1,410.64, 1,945.22 and 851.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.64 : 1,945.22 = 851.00 : x
2. Step 2: Convert to fraction form
   1,410.64/1,945.22 = 851.00/x
3. Step 3: Cross multiply
   1,410.64x = 1,945.22 × 851.00
4. Step 4: Simplify right side
   1,410.64x = 1,655,368.24
5. Step 5: Solve for x
   x = 1,655,368.24/1,410.64
6. Step 6: Final answer
   x = 1,173.49