Finding the Fourth Proportional to 1,035.56, 1,429.38 and 662.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035.56 : 1,429.38 = 662.76 : x
2. Step 2: Convert to fraction form
   1,035.56/1,429.38 = 662.76/x
3. Step 3: Cross multiply
   1,035.56x = 1,429.38 × 662.76
4. Step 4: Simplify right side
   1,035.56x = 947,335.89
5. Step 5: Solve for x
   x = 947,335.89/1,035.56
6. Step 6: Final answer
   x = 914.81