Finding the Fourth Proportional to 1,410.67, 1,945.52 and 851.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.67 : 1,945.52 = 851.02 : x
2. Step 2: Convert to fraction form
   1,410.67/1,945.52 = 851.02/x
3. Step 3: Cross multiply
   1,410.67x = 1,945.52 × 851.02
4. Step 4: Simplify right side
   1,410.67x = 1,655,667.31
5. Step 5: Solve for x
   x = 1,655,667.31/1,410.67
6. Step 6: Final answer
   x = 1,173.68