Finding the Fourth Proportional to 1,300.78, 1,796.01 and 835.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.78 : 1,796.01 = 835.78 : x
2. Step 2: Convert to fraction form
   1,300.78/1,796.01 = 835.78/x
3. Step 3: Cross multiply
   1,300.78x = 1,796.01 × 835.78
4. Step 4: Simplify right side
   1,300.78x = 1,501,069.24
5. Step 5: Solve for x
   x = 1,501,069.24/1,300.78
6. Step 6: Final answer
   x = 1,153.98