Finding the Fourth Proportional to 1,362.06, 1,879.44 and 764.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.06 : 1,879.44 = 764.59 : x
2. Step 2: Convert to fraction form
   1,362.06/1,879.44 = 764.59/x
3. Step 3: Cross multiply
   1,362.06x = 1,879.44 × 764.59
4. Step 4: Simplify right side
   1,362.06x = 1,437,001.03
5. Step 5: Solve for x
   x = 1,437,001.03/1,362.06
6. Step 6: Final answer
   x = 1,055.02