Finding the Fourth Proportional to 1,700.82, 2,549.06 and 776.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,700.82 : 2,549.06 = 776.88 : x
2. Step 2: Convert to fraction form
   1,700.82/2,549.06 = 776.88/x
3. Step 3: Cross multiply
   1,700.82x = 2,549.06 × 776.88
4. Step 4: Simplify right side
   1,700.82x = 1,980,313.73
5. Step 5: Solve for x
   x = 1,980,313.73/1,700.82
6. Step 6: Final answer
   x = 1,164.33