Finding the Fourth Proportional to 1,362.34, 1,879.91 and 772.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.34 : 1,879.91 = 772.93 : x
2. Step 2: Convert to fraction form
   1,362.34/1,879.91 = 772.93/x
3. Step 3: Cross multiply
   1,362.34x = 1,879.91 × 772.93
4. Step 4: Simplify right side
   1,362.34x = 1,453,038.84
5. Step 5: Solve for x
   x = 1,453,038.84/1,362.34
6. Step 6: Final answer
   x = 1,066.58