Finding the Fourth Proportional to 1,300.77, 1,795.01 and 711.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.77 : 1,795.01 = 711.31 : x
2. Step 2: Convert to fraction form
   1,300.77/1,795.01 = 711.31/x
3. Step 3: Cross multiply
   1,300.77x = 1,795.01 × 711.31
4. Step 4: Simplify right side
   1,300.77x = 1,276,805.01
5. Step 5: Solve for x
   x = 1,276,805.01/1,300.77
6. Step 6: Final answer
   x = 981.58