Finding the Fourth Proportional to 1,036.17, 1,429.25 and 663.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.17 : 1,429.25 = 663.02 : x
2. Step 2: Convert to fraction form
   1,036.17/1,429.25 = 663.02/x
3. Step 3: Cross multiply
   1,036.17x = 1,429.25 × 663.02
4. Step 4: Simplify right side
   1,036.17x = 947,610.87
5. Step 5: Solve for x
   x = 947,610.87/1,036.17
6. Step 6: Final answer
   x = 914.53