Finding the Fourth Proportional to 776.00, 1,162.69 and 555.50

Step by Step Solution

1. Step 1: Write the proportion equation
   776.00 : 1,162.69 = 555.50 : x
2. Step 2: Convert to fraction form
   776.00/1,162.69 = 555.50/x
3. Step 3: Cross multiply
   776.00x = 1,162.69 × 555.50
4. Step 4: Simplify right side
   776.00x = 645,875.81
5. Step 5: Solve for x
   x = 645,875.81/776.00
6. Step 6: Final answer
   x = 832.32