Finding the Fourth Proportional to 776.58, 1,076.29 and 762.00

Step by Step Solution

1. Step 1: Write the proportion equation
   776.58 : 1,076.29 = 762.00 : x
2. Step 2: Convert to fraction form
   776.58/1,076.29 = 762.00/x
3. Step 3: Cross multiply
   776.58x = 1,076.29 × 762.00
4. Step 4: Simplify right side
   776.58x = 820,131.33
5. Step 5: Solve for x
   x = 820,131.33/776.58
6. Step 6: Final answer
   x = 1,056.09